What is the interior angle sum of a hexagon?
720 degrees
This polygon has an interior angle sum of 900 degrees. Name it.
What is a heptagon?
This quadrilateral is a regular polygon.
What is a square?
Given parallelogram ABCD, what is the measure of angle C?
55 degrees
Given rhombus QRST, find the value of x.
x = 8
What is the exterior angle sum of a regular dodecagon?
360 degrees
This regular polygon has an exterior angle that measures 45 degrees. Name it.
What is an octagon?
A parallelogram with a width of 10 and a length of 8 has congruent diagonals. Name it.
What is a rectangle?
Given rectangle ABCD, find the measure of angle AEB.
124 degrees
Trapezoid LMNO is below. What value of x would make this an isosceles trapezoid?
x = 8
Find the value of x in the polygon.
121 degrees
This regular polygon has an interior angle measure of 144 degrees. Name it.
Decagon
An equilateral quadrilateral has perpendicular diagonals and an interior angle that measures 75 degrees. Name it.
What is a rhombus?
Given the rhombus, find the value of x.
33°
Find the value of x in the square.
x=11
Find the measure of one interior angle in a regular nonagon.
140°
Two regular polygons share a side. One polygon is a decagon. The total interior angle sum of BOTH polygons is 2700°. What is the other shape?
What is a nonagon?
This quadrilateral has congruent diagonals and is equilateral. Name it.
What is a square?
Find the length of PT.
13
In rectangle WXYZ, WP = 5x - 2 and PX = 3x + 4, what is the length of XZ?
26
Two regular pentagons share a side as shown.
What is the measure of angle EAH?
144°
A polygon has an interior angle sum of 1980. How many sides does it have?
13 sides
A ______________ is a quadrilateral with exactly one pair of parallel sides.
In square ABCD, AE = 15 mm. Find BC.
Round to the nearest tenth if needed.
21.2 mm
Given rectangle GHIJ, find the measure of angle JHI.
23°