Topic 6 Exam

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

• 7
• 9
• 10
• 12

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

• 10
• 5
• 14
• 9

Find the value of x

• 141
• 150
• 135
• 163

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

• 360
• 180
• 720
• 540

Find the sum of interior angles in a heptagon

• 900
• 720
• 540
• 180

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

• 135

• 180

• 145

• 190

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

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

All trapezoids have exactly one set of sides _____________.

• congruent
• parallel
• consecutive
• bisecting

The legs of an isosceles trapezoid are _____.

• parallel
• perpendicular
• congruent
• skew

Find the measure of ∠1:

• 79°
• 101°
• 72°
• 180°