20 Questions Chapter 10 Review. 1. Polygons The sum of the measures of the interior angles of a...

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

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

Answer to question #2

140 degrees

3. Polygons

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

Answer

360 degrees

4. Polygons

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

Answer

2160 degrees

5. Polygons

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

Answer

10 Sides

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

25 square units

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

437 square inches

8. Parallelograms

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

Answer

90.51 sq. cm

9. Triangle, Rhombi, and Trapezoids

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

6 3 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

Find the value of h

24cm26cm

Answer

9.23 cm

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

Answer

25sq meters

14. Regular Polygons and Circles

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

Answer

70.71 sq yds

15. Regular Polygons and circles

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

Answer

1257.47 sq. ft

16. Regular Polygons

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

Answer

29.24 sq. cm

17. Regular Polygons

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

Answer

110.85 sq. ft

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

10/25 = 2/5 = .4

19. Geometric Probability

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

Answer

16.76 sq cm

20. Geometric Probabilities

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

Answer

20 Questions Chapter 10 Review. 1. Polygons The sum of the measures of the interior angles of a...

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Transcript of 20 Questions Chapter 10 Review. 1. Polygons The sum of the measures of the interior angles of a...

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