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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

20 Questions

Chapter 10 Review


1 polygons
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



2 polygons
2. Polygons

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



3 polygons
3. Polygons

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

Answer



4 polygons
4. Polygons

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

Answer


Answer to question 4
Answer to question #4

2160 degrees


5 polygons
5. Polygons

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

Answer



6 parallelograms
6. Parallelograms

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

Answer


Answer to question 6
Answer to question #6

25 square units


7 parallelograms
7. Parallelograms

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

Answer


Answer to question 7
Answer to question #7

437 square inches


8 parallelograms
8. Parallelograms

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

Answer


Answer to question 8
Answer to question #8

90.51 sq. cm


9 triangle rhombi and trapezoids
9. Triangle, Rhombi, and Trapezoids

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

Answer


Answer to question 9
Answer to question #9

54 sq inches


10 triangle rhombi and trapezoids
10. Triangle, Rhombi, and Trapezoids

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

and a long base of 150 cm

Answer


Answer to question 10
Answer to question #10

1496.49 sq cm


11 triangle rhombi and trapezoids
11. Triangle, Rhombi, and Trapezoids

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

Answer



12 triangle rhombi and trapezoids
12. Triangle, Rhombi, and Trapezoids

Find the value of h

26cm

24cm

h

Answer

10cm



13 regular polygons and circles
13. Regular Polygons and Circles

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


Answer to question 13
Answer to question #13

25sq meters


14 regular polygons and circles
14. Regular Polygons and Circles

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

Answer



15 regular polygons and circles
15. Regular Polygons and circles

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

Answer


Answer to question 15
Answer to question #15

1257.47 sq. ft


16 regular polygons
16. Regular Polygons

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

Answer



17 regular polygons
17. Regular Polygons

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

Answer


Answer to question 17
Answer to question #17

110.85 sq. ft


18 geometric probabilities
18. Geometric Probabilities

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


Answer to question 18
Answer to question #18

10/25 = 2/5 = .4


19 geometric probability
19. Geometric Probability

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

4 cm

120º

Answer



20 geometric probabilities
20. Geometric Probabilities

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

10 cm

Answer

10 cm



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