Formula A = 0.5bh and b = 18 and h = 20.

Question

One, I did 5 x b + 5 x h = 14. Second, I did (5 x b) x h = 80. Which one is right??

This is area of a triangle if that helps in any way

Answer 1

The area of a triangle is (1/2)(base)(height).

base = 18

height = 20

A = (1/2)(18)(20) = 180