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20 Questions

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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?

Answer

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.

Answer

140 degrees

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

Answer

360 degrees

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

Answer

2160 degrees

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

Answer

10 Sides

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

Answer

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.

Answer

437 square inches

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

Answer

90.51 sq. cm

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

Answer

54 sq inches

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

and a long base of 150 cm

Answer

1496.49 sq cm

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

Answer

16 cm

Find the value of h

26cm

24cm

h

Answer

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

Answer

A

B

25sq meters

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

Answer

70.71 sq yds

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

Answer

1257.47 sq. ft

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

Answer

29.24 sq. cm

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

Answer

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?

Answer

10/25 = 2/5 = .4

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

4 cm

120º

Answer

16.76 sq cm

Find the probability that a point chosen at random lies in the shaded region.

10 cm

Answer

10 cm

.215