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17. If a triangle has a height of 12 inches and a base of 5 inches, what's its area? A. 45 sq. in. B. 30 sq. in. C. 90 sq. in. D. 60 sq. in.
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17. If a triangle has a height of 12 inches and a base of 5 inches, what's its area? A. 45 sq. in. B. 30 sq. in. C. 90 sq. in. D. 60 sq. in.

User Tgoza
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2 Answers

3 votes
The answer is B). 30 sq. in.
User Muetzenflo
by
5.6k points
1 vote
Hello!

The formula for a triangle is seen below.

A=0.5bh

You only need the base and height measurements to calculate the area. We have a height of 12 and a base of 5.

A=0.5(5·12)
A=0.5(60)
A=30

Our answer is B. 30.

I hope this helps!
User Sameera
by
6.0k points
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