The base of a triangle is 8 in. and its height is 5 in. What is the area of the triangle?
20 sq. in.
Explanation
The area of a \(\text { triangle }=(1 / 2) \times \text { base } \times \text { height}\). The area of the triangle \(=(1 / 2) \times 8 \times 5=(1 / 2) \times 40=20 \text { sq. in }\)