January 31, 2015

Homework Help: geometry

Posted by Adia on Saturday, March 16, 2013 at 7:33pm.

1. Find the area of the parallelogram.

(1 point)
3,302 ft2
3,484 ft2
3,752 ft2
4,020 ft2
2. Find the area of the triangle.
(1 point)
21.84 cm2
21.2 cm2
10.92 cm2
10.6 cm2
3. Jorge plans to paint a bedroom wall that is shaped like a trapezoid. The bottom edge of the wall is 22.5 feet long, and the top edge of the wall is 9.5 feet long. If the wall is 8 feet tall, what is the area of the wall? (1 point)
256 ft2
38 ft2
90 ft2
128 ft2
4. Find the area of the irregular figure.

(1 point)
432 units2
438 units2
650 units2
864 units2
5. Use = 3.14 to estimate the circumference of the circle to the nearest hundredth.

(1 point)
12 in.
12.56 in.
25.12 in.
50.24 in.2
6. Estimate the diameter of a circle with a circumference of 80 feet. (1 point)
12.74 ft
25.48 ft
40 ft
50.96 ft
7. Use = 3.14 to estimate the area of the circle with a radius of 9.6 meters. Round your answer to the nearest hundredth. (1 point)
30.14 m2
289.38 m2
60.29 m2
1157.53 m2
8. Suzanne wants to put a fence around her square garden. If the garden covers an area of 100 ft2, how many feet of fencing does she need? (1 point)
20 ft
40 ft
10 ft
400 ft
9. WorkPad

Note: Remember to show all of the steps that you use to solve the problem. You can use the comments field to explain your work. Your teacher will review each step of your response to ensure you receive proper credit for your answer.

The diameter of a tire is 2.5 ft. Use this measurement to answer parts a and b. Show all work to receive full credit.

a. Find the circumference of the tire.

b. About how many times will the tire have to rotate to travel 1 mile? (1 mile = 5,280 ft)

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