to enlarge the rectangle by scale factor x2 from the point shown. centre of enlargement object a b c...
TRANSCRIPT
To enlarge the rectangle by scale factor x2 from
the point shown.
Centre of Enlargement
Object
A B
CD
Or Count Squares
Image
A/ B/
C/D/
Enlargements from a Given Point
1. Draw the ray lines through vertices.
2. Mark off x2 distances along each line.
3. Draw and label image.
X2
D
To enlarge the kite by scale factor x3 from the
point shown.
Centre of Enlargement
ObjectA
B
C
Or Count Squares
Image
A/
B/
C/
D/
Enlargements from a Given Point
1. Draw the ray lines through vertices.
2. Mark off x3 distances along lines from C of E.
3. Draw and label image.
X3
Enlargements from a Given Point
1. Draw the ray lines through vertices.
2. Mark off x4 distances along lines from C of E.
3. Draw and label image.
To enlarge the triangle by scale factor x4 from the
point shown.
Centre of Enlargement
Or Count SquaresObject
A
B
C
Image
C/
A/
B/
X4
Negative Enlargements from a Given Point
1. Draw ray lines from each vertex through C of E.
2. Mark off x1distances along lines from C of E.
3. Draw and label image.B/
A/
C/
Image
Image is Inverted
D/
D
Centre of Enlargement
AB
CObject
To enlarge the kite by scale factor -1 from the
point shown.
Or Count Squares
-1
D
Centre of Enlargement
AB
CObject
To enlarge the kite by scale factor -2 from the
point shown.
Or Count Squares
Negative Enlargements from a Given Point
2. Mark off distances x2 along lines from C of E.
3. Draw and label image.
B/
A/
D/
C/
Image
Image is Inverted
1. Draw ray lines from each vertex through C of E.
-2
Fractional Enlargements from a Given Point
1. Draw ray lines from C of E to each vertex.
2. Mark halfway distances along lines.
3. Draw and label image.
B
A
D
C
Object
Or Count Squares
To enlarge the kite by scale factor x½ from the
point shown.
Centre of Enlargement
A/
B/
D/
C/
Image
½
Fractional Enlargements from a Given Point
1. Draw ray lines from C of E to each vertex.
2. Mark off 1/3 distances along lines.
3. Draw and label image.
A’ B’
C’D’
Image
BA
D C
Or Count Squares
To enlarge the rectangle by scale factor x1/3 from
the point shown.
Centre of Enlargement
Object
1/3
To enlarge the rectangle by scale factor x2 from
the point shown.
Centre of Enlargement
Object
A B
CD
Image
A/ B/
C/D/
Enlargements from a Given Point
1. Draw the ray lines through vertices.
2. Mark off x 2 distances along each line.
3. Draw and label image.
No Grid 1
D
To enlarge the kite by scale factor x3 from the
point shown.
Centre of Enlargement
ObjectA
B
C
Image
A/
B/
C/
D/
Enlargements from a Given Point
1. Draw the ray lines through vertices.
2. Mark off x3 distances along lines from C of E.
3. Draw and label image.
No Grid 2
Enlargements from a Given Point
1. Draw the ray lines through vertices.
2. Mark off x4 distances along lines from C of E.
3. Draw and label image.
To enlarge the triangle by scale factor x4 from the
point shown.
Centre of Enlargement
ObjectA
B
C
Image
C/
A/
B/
No Grid 3
Negative Enlargements from a Given Point
1. Draw ray lines from each vertex through C of E.
2. Mark off x1distances along lines from C of E.
3. Draw and label image.B/
A/
C/
Image
Image is Inverted
D/
D
Centre of Enlargement
AB
CObject
To enlarge the kite by scale factor -1 from the
point shown.
No Grid 4
D
Centre of Enlargement
AB
CObject
To enlarge the kite by scale factor -2 from the
point shown.
Negative Enlargements from a Given Point
2. Mark off distances x2 along lines from C of E.
3. Draw and label image.
B/
A/
D/
C/
Image
Image is Inverted
1. Draw ray lines from each vertex through C of E.
No Grid 5
Fractional Enlargements from a Given Point
1. Draw ray lines from C of E to each vertex.
2. Mark halfway distances along lines.
3. Draw and label image.
B
A
D
C
Object
To enlarge the kite by scale factor x½ from the
point shown.
Centre of Enlargement
A/
B/
D/
C/
Image
No Grid 6
Fractional Enlargements from a Given Point
1. Draw ray lines from C of E to each vertex.
2. Mark off 1/3 distances along lines.
3. Draw and label image.
A’ B’
C’D’
Image
BA
D C
To enlarge the rectangle by scale factor x 1/3 from the point shown.
Centre of Enlargement
Object
No Grid 7
To enlarge the rectangle by scale factor x2 from
the point shown.
Centre of Enlargement
Object
A B
CD
Or Count Squares
Enlargements from a Given Point
Worksheet 1
D
To enlarge the kite by scale factor x3 from the
point shown.
Centre of Enlargement
ObjectA
B
C
Or Count Squares
Enlargements from a Given Point
Worksheet 2
Enlargements from a Given Point
To enlarge the triangle by scale factor x4 from the
point shown.
Centre of Enlargement
Or Count SquaresObject
A
B
C
Worksheet 3
Negative Enlargements from a Given Point
D
Centre of Enlargement
AB
CObject
To enlarge the kite by scale factor -1 from the
point shown.
Or Count Squares
Worksheet 4
D
Centre of Enlargement
AB
CObject
To enlarge the kite by scale factor -2 from the
point shown.
Or Count Squares
Negative Enlargements from a Given Point
Worksheet 5
Fractional Enlargements from a Given Point
B
A
D
C
Object
Or Count Squares
To enlarge the kite by scale factor x½ from the
point shown.
Centre of Enlargement
Worksheet 6
Fractional Enlargements from a Given Point
BA
D C
Or Count Squares
To enlarge the rectangle by scale factor x 1/3 from the point shown.
Centre of Enlargement
Object
Worksheet 7
To enlarge the rectangle by scale factor x2 from
the point shown.
Centre of Enlargement
Object
A B
CD
Enlargements from a Given Point
Worksheet 1A
D
To enlarge the kite by scale factor x3 from the
point shown.
Centre of Enlargement
ObjectA
B
C
Worksheet 2A
Enlargements from a Given Point
To enlarge the triangle by scale factor x4 from the
point shown.
Centre of Enlargement
ObjectA
B
C
Worksheet 3A
Negative Enlargements from a Given Point
D
Centre of Enlargement
AB
CObject
To enlarge the kite by scale factor -1 from the
point shown.
Worksheet 4A
D
Centre of Enlargement
AB
CObject
To enlarge the kite by scale factor -2 from the
point shown.
Worksheet 5A
Negative Enlargements from a Given Point
B
A
D
C
Object
To enlarge the kite by scale factor x½ from the
point shown.
Centre of Enlargement
Worksheet 6A
Fractional Enlargements from a Given Point
Fractional Enlargements from a Given Point
BA
D C
To enlarge the kite by scale factor x 1/3 from
the point shown.
Centre of Enlargement
Object
Worksheet 7A
The small rectangle has been enlarged as shown.
Find the centre of enlargement.
Object
A
CD
Image
A/ B/
C/D/
Finding the Centre of Enlargement
B
Draw 2 ray lines through corresponding vertices to locate.
Centre of Enlargement
Find Centre 1
B/
A/
D/
C/
Image
D
AB
CObject
The small kite has been enlarged as shown. Find
the centre of enlargement.
Finding the Centre of Enlargement
Centre of Enlargement
Draw 2 ray lines through corresponding vertices to locate.
Find Centre 2
Finding the Centre of Enlargement.
B
A
D
C
Object
The large kite has been enlarged by scale
factor x ½ as shown. Find the centre of
enlargement.
B/
A/
D/
C/
Image
Draw 2 ray lines through corresponding vertices to locate.
Centre of Enlargement
Find Centre 3
The small rectangle has been enlarged as shown.
Find the centre of enlargement.
Object
A
CD
Image
A/ B/
C/D/
Finding the Centre of Enlargement
B
Worksheet 8
B/
A/
D/
C/
Image
D
AB
CObject
The small kite has been enlarged as shown. Find
the centre of enlargement.
Finding the Centre of Enlargement
Worksheet 9
Finding the Centre of Enlargement.
B
A
D
C
Object
The large kite has been enlarged by scale
factor x ½ as shown. Find the centre of
enlargement.
B/
A/
D/
C/
Image
Workshheet 10
The small rectangle has been enlarged as shown.
Find the centre of enlargement.
Object
A
CD
Image
A/ B/
C/D/
Finding the Centre of Enlargement
B
Worksheet 8A
B/
A/
D/
C/
Image
D
AB
CObject
The small kite has been enlarged as shown. Find
the centre of enlargement.
Finding the Centre of Enlargement
Worksheet 9A
Finding the Centre of Enlargement.
B
A
D
C
Object
The large kite has been enlarged by scale
factor x ½ as shown. Find the centre of
enlargement.
A/
B/
D/
C/
Image
Workshheet 10A