GEOMETRICAL DRAWING

LOCAL PUBLICATIONS (001427383-A)

A

B

C

D

CHAPTER 1 : GEOMETRY – ELLIPSES AND PARABOLAS1. Construct an ellipse when given major axis AC and minor axis BD.

LOCAL PUBLICATIONS (001427383-A)

A

B

C

D

CHAPTER 1 : GEOMETRY – ELLIPSES AND PARABOLAS2. Construct an ellipse, major axis BD and minor axis AC are given.

LOCAL PUBLICATIONS (001427383-A)

P

Q

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1

23

4

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3. Construct a parabola inside the given rectangle. PQ is a symmetry axis of the parabola. P is vertex of parabola.

CHAPTER 1 : GEOMETRY – ELLIPSES AND PARABOLAS

CHAPTER 1 : GEOMETRY – ELLIPSES AND PARABOLAS

LOCAL PUBLICATIONS (001427383-A)

A B1

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4. Construct a parabola inside the given rectangle. AB is a symmetry axis of the parabola. A is vertex of parabola.

CHAPTER 1 : GEOMETRY – ELLIPSES AND PARABOLAS

LOCAL PUBLICATIONS (001427383-A)

5. Figure 1 shows a template. Draw the template in full scale.

FIGURE 1

Half ellipseMajor axis 90 mmMinor axis 60 mm

Half Parabola

90

A C

B

A C

B

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12

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CHAPTER 1 : GEOMETRY – ELLIPSES AND PARABOLAS

LOCAL PUBLICATIONS (001427383-A)

6. Figure 2 shows a template. Draw the template in full scale.

FIGURE 1

Half ellipseMajor axis 80 mmMinor axis 60 mm

Parabola

110

100

Symmetry axis

C

D

O

E

A

B

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3 2 1