given the following diagram, find the value of angle deb a b c d e 8x – 6 11x – 30
TRANSCRIPT
Given parallelogram ABCD, diagonal AC and BD intersect
at E. Find the value of diagonal AC when given the
following:
A D
B C
E8x+16
10x + 4
If the sum of the degree measure of the interior angle of a polygon is
2,880, how many sides does the polygon have?
If the sum of the measures of the
interior angles of a regular polygon is 1,080, what is the
measure of one exterior angle?
Which statement about quadrilaterals is always true?
(1) All quadrilaterals have four right angles
(2) All quadrilaterals have equal sides(3) All quadrilaterals have four sides(4) All quadrilaterals are
parallelograms
Which quadrilateral must have diagonals that are
congruent and perpendicular?
(1) Rhombus(2) Trapezoid(3) Square(4) Parallelogram
Melissa is walking around the outside of a building that is in the shape of a
regular polygon. She determines that the
measure of one exterior angle of the building is 60°.
How many sides does the building have?