Question

a triangular shape has an area of 70 square inches the height is 8 and three fourths write and solve an equation to find the length of the base

Answer 1

Area formula of a triangle is:
A =
`(1)/(2) bh`
We know the area and the height, so substitute to find the base

A = 70 m²
h = 8.75 m or
`8 (3)/(4)` m (its the same thing)

70 =
`(1)/(2)` × b × 8.75
70 = 4.375b
Divide by 4.375 on either sides to isolate b

`(70)/(4.375) = (4.375b)/(4.375)`
4.375 and 4.375 cancels out

16 m = b

The base of this triangle is 16 m