Question

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.

Answer 1

The answer is B). 30 sq. in.

Answer 2

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!