Ch. 7 Review (TG)

If the sum of the interior angles of a polygon equals 900°, how many sides does the polygon have? 

• 7
• 9
• 10
• 12

What is the value of x?

• 26.25
• 38.75
• 24
• 25.125

An exterior angle of a regular polygon
measures 36°. How many sides does
the polygon have? 

• 10
• 5
• 14
• 9

Find the measureof the sum of the exterior angles in a hexagon

• 360
• 180
• 720
• 540

What is the sum of the exterior angles of a decagon

• 1440
• 360
• 540
• 720

Find the value of one interior angle in a regular pentagon

• 108
• 60
• 120
• 135

What is the measure of each interior angle of a regular octagon?

• 135

• 180

• 145

• 190

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

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

solve for X

• 19
• 20
• 33
• 53

Solve for X

• 22
• 16
• 40
• 35