Question

The area of a triangle is 25 in² and the height of the triangle is 10 in. How long is the base of the triangle?

Answer 1

use formula for area of triangle

A = 1/2 bh

Answer 2

then to solve you have
A = 25
h = 10
find b

Answer 3

so you have

25 = (1/2) 10 b (do you know how to solve for b ??

Answer 4

no

Answer 5

ok what is 1/2 of 10 ?

Answer 6

5

Answer 7

ok so you have

25 = 5b, now divide by 5 both sides, what do you get ?

Answer 8

5

Answer 9

good job

Answer 10

that is the length of the base