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# 20 Questions - PowerPoint PPT Presentation

20 Questions. Chapter 10 Review. 1. Polygons. The sum of the measures of the interior angles of a convex polygon is 2520. How many sides does the polygon contain?. Answer. Answer to Question #1. 16 Sides. 2. Polygons.

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### 20 Questions

Chapter 10 Review

The sum of the measures of the interior angles of a convex polygon is 2520. How many sides does the polygon contain?

16 Sides

The sum of the measures of five interior angles of a heptagon is 690. The measure of the 6th angle is twice the measure of the seventh. Find the measure of the 6th angle.

140 degrees

Find the sum of the measures of the exterior angles of a convex nonagon.

360 degrees

Find the sum of the measures of the interior angles of a convex 14-gon

2160 degrees

How many sides are in a regular polygon if each interior angle measures 144º?

10 Sides

Find the area of a parallelogram that has vertices: A(-4, 15), B(1, 15), C(4, 10), and D(-1, 10)

25 square units

The length of a rectangle is 4in. More than the width. If the perimeter is 84in., find the area of the rectangle.

437 square inches

Find the area of a parallelogram with side lengths 8cm and 16cm and an acute angle of 45º.

90.51 sq. cm

Find the area of a rhombus with sides 8 inches and diagonals of 12 inches and 9 inches.

54 sq inches

Find the area of an isosceles trapezoid with base angles of 30º, height of

and a long base of 150 cm

1496.49 sq cm

The area of a triangle is 160 sq cm. The height is 20 cm., Find the length of the base.

Find the value of h

26cm

24cm

h

10cm

9.23 cm

The area of triangle ABC is 24 sq meters. If AC = 6 m and AB is a diameter, find the area of the circle

C

A

B

25sq meters

Find the area of a regular octagon with radius of 5 yd.

70.71 sq yds

Find the area of a regular hexagon with a side length of 22 ft.

1257.47 sq. ft

Find the area of a regular decagon with an apothem of 3 cm

29.24 sq. cm

Find the area of the shaded region. AB = 8 ft. C is the midpoint of AB

110.85 sq. ft

Luke told Scott that he would arrive at the basketball game sometime between 7:20 and 7:45. Scott says that he must be on the court at 7:30. What is the probability that Luke will arrive by 7:30?

10/25 = 2/5 = .4

Find the area of the sector (inside the central angle).

4 cm

120º