1.
Find the area of a triangle with base 8.2 centimeters and height 4.25 centimeters.
A.
34.85 square centimeters
B.
17.425 square centimeters
C.
18.0625 square centimeters
D.
6.225 square centimeters
Hint
2.
A trapezoid has an area of 55 square meters, and the lengths of its bases are 7 meters and 15 meters. Find the height of this trapezoid.
A.
2.5 meters
B.
8 meters
C.
7.5 meters
D.
5 meters
Hint
3.
In a triangle, the length of the altitude is called the _____.
A.
height
B.
trapezoid
C.
base
D.
none of these is correct
Hint
4.
What is the area of a triangle with a base that is 65.3 inches in length and a height that is 41.5 inches long.
A.
106.8 in
2
B.
2,709.95 in
2
C.
677.4875 in
2
D.
1,354.975 in
2
Hint
5.
Mr. Huang plans to fertilize his back yard. If one bag covers 1,800 square feet, how many bags should he buy?
A.
6 bags
B.
7 bags
C.
5 bags
D.
4 bags
Hint