Polygons Interior Angles Lesson

FOM 11
Interior & Exterior Angles of Polygons

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Polygon Interior Angles Theorem

Multiple Choice

What is the sum of the interior angles for a      24-gon

• 3960
• 360
• 15
• 4280

Multiple Choice

The sum of the interior angles in a polygon is 3,240^o. How many sides are in the polygon?

• 10

• 582,840

• 18

• 20

Multiple Choice

Find the value of x.

• 110

• 90

• 130

• 120

Multiple Choice

What is the measure of angle a?

• 360

• 88

• 103

• 92

Multiple Choice

Find the value of the missing angle

• 83

• 112

• 132

• 118

Multiple Choice

Work out the size of one interior angle of this regular heptagon

• 143.56

• 130.5

• 128.57

• 150.54

Multiple Choice

What is the measure of ONE interior angle in a regular pentagon (5-sides)?

• 90°

• 108°

• 120°

• 180°

Multiple Choice

Work out the size of one interior angle of this regular hexagon

• 120

• 720

• 100

• 360

Multiple Choice

Work out the size of each interior angle of this decagon

• 150

• 130

• 144

• 154

Polygon Exterior Angles Theorem

4.

Multiple Choice

What is the sum of exterior angles for a 27-gon?

• 4860

• 4500

• 360

• 270

Multiple Choice

Find the value of y.

• 125

• 135

• 140

• 110

Multiple Choice

What is the size of angle a?

• 72

• 55

• 50

• 53

Multiple Choice

What is the size of the exterior angle of a pentagon?

• 100^o

• 360^o

• 72^o

• 180^o

Multiple Choice

What is the size of one exterior angle of a decagon (10 sides) ?

• 90

• 180

• 360

• 36

Multiple Choice

The exterior angle of a regular polygon is 120^o. How many sides does this polygon have?

• 3 sides

• 4 sides

• 5 sides

• 6 sides

Multiple Choice

What is the measure of a single exterior angle for a regular pentagon?

• 360

• 108

• 72

• 36