Polygons

As more sides are added to a regular polygon, each interior angle gets _______, while each exterior angle gets __________.

• smaller, larger

• larger, smaller

• larger, larger

Find one exterior angle of the following polygon.

• exterior angle = 38°

• exterior angle = 95°

• exterior angle = 120°

• exterior angle = 40°

What is the formula for the sum of exterior angles in a polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

What is the formula for one exterior angle in a regular polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

What is the formula for one interior angle in a regular polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

What is a polygon called if the sum of its interior angles equals 1440° ?

• Octogon

• Nonagon

• Decagon

• Dodecagon

Find the value of X

• 94

• 25

• 36

• 180

My shape is a quadrilateral. It has two sets of parallel lines. It does not have any right angles, but it does have equal sides. Which one is my shape?

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Tags

CCSS.3.G.A.1

Classify this shape. Select ALL names that apply.

• square

• rhombus

• quadrilateral

• trapezoid

• parallelogram

Tags

CCSS.3.G.A.1

• 44

• 220

• 22

• 110

Tags

CCSS.6.G.A.1