Question

What is the Area of this triangle when x=10 inches? Hint: Area= 1/2bh

Answer 1

height(h) = 7x

base(b) = 4x

Since you know the value of x, you can plug it in

h = 7(10) = 70in

b = 4(10) = 40in

`A = (1)/(2)bh`

`A=(1)/(2) (40)(70)`

`A=(1)/(2) (2800)`

A = 1400in²