## Triangle Area 2 - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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### Complexity=1, Mode=algebra

Solve. Answer with proper units. To represent m2, use "sq m". Sample answer: 5 sq m
 1.   The area is 12.5 yd2. x = 2.   The area is 6 m2. x =

### Complexity=1, Mode=word

Solve. Answer with proper units. To represent m2, use "sq m". Sample answer: 5 sq m
 1.   A triangle has an area of 7 in2. The length of one side is 7 in. What is the corresponding height? height = 2.   A triangle has an area of 3 in2. The length of one side is 2 in. What is the corresponding height? height =

### Complexity=2, Mode=word

Solve. Answer with proper units. To represent m2, use "sq m". Sample answer: 5 sq m
 1.   A triangle has an area of 142.5 ft2. The length of one side is 15 ft. What is the corresponding height? height = 2.   A triangle has an area of 60 in2. The length of one side is 12 in. What is the corresponding height? height =

### Complexity=3, Mode=algebra

Solve. Answer with proper units. To represent m2, use "sq m". Sample answer: 5 sq m
 1.   The area is 112.5 m2. x = 2.   The area is 57 in2. x =

### Complexity=4, Mode=word

Solve. Answer with proper units. To represent m2, use "sq m". Sample answer: 5 sq m
 1.   A triangle has an area of 916.5 ft2. The height is 39 ft. What is the length of the corresponding base? base = 2.   A triangle has an area of 573.5 in2. The length of one side is 31 in. What is the corresponding height? height =

### Complexity=1, Mode=algebra

Solve. Answer with proper units. To represent m2, use "sq m". Sample answer: 5 sq m
1The area is 12.5 yd2.
x =
Solution
A=1/2bh (one half base times height)
12.5 yd2 = 1/2(5yd * x)
25 yd2 = 5yd * x
5 yd = x
2The area is 6 m2.
x =
Solution
A=1/2bh (one half base times height)
6 m2 = 1/2(3m * x)
12 m2 = 3m * x
4 m = x

### Complexity=1, Mode=word

Solve. Answer with proper units. To represent m2, use "sq m". Sample answer: 5 sq m
1A triangle has an area of 7 in2. The length of one side is 7 in. What is the corresponding height?
height =
Solution
A=1/2bh (one half base times height)
7 in2 = 1/2(7in * h)
14 in2 = 7in * h
2 in = h
2A triangle has an area of 3 in2. The length of one side is 2 in. What is the corresponding height?
height =
Solution
A=1/2bh (one half base times height)
3 in2 = 1/2(2in * h)
6 in2 = 2in * h
3 in = h

### Complexity=2, Mode=word

Solve. Answer with proper units. To represent m2, use "sq m". Sample answer: 5 sq m
1A triangle has an area of 142.5 ft2. The length of one side is 15 ft. What is the corresponding height?
height =
Solution
A=1/2bh (one half base times height)
142.5 ft2 = 1/2(15ft * h)
285 ft2 = 15ft * h
19 ft = h
2A triangle has an area of 60 in2. The length of one side is 12 in. What is the corresponding height?
height =
Solution
A=1/2bh (one half base times height)
60 in2 = 1/2(12in * h)
120 in2 = 12in * h
10 in = h

### Complexity=3, Mode=algebra

Solve. Answer with proper units. To represent m2, use "sq m". Sample answer: 5 sq m
1The area is 112.5 m2.
x =
Solution
A=1/2bh (one half base times height)
112.5 m2 = 1/2(x * 15m)
225 m2 = x * 15m
15 m = x
2The area is 57 in2.
x =
Solution
A=1/2bh (one half base times height)
57 in2 = 1/2(x * 6in)
114 in2 = x * 6in
19 in = x

### Complexity=4, Mode=word

Solve. Answer with proper units. To represent m2, use "sq m". Sample answer: 5 sq m
1A triangle has an area of 916.5 ft2. The height is 39 ft. What is the length of the corresponding base?
base =
Solution
A=1/2bh (one half base times height)
916.5 ft2 = 1/2(b * 39ft)
1833 ft2 = b * 39ft
47 ft = b