Question

PLEASE HELP THIS IS URGENT

Answer 1

`\large\boxed{A_\triangle=(5)/(6)x^2}`

Explanation:

The formula of an area of a triangle:

`A_\triangle=(bh)/(2)`

b - base

h - height

We have

`b=(5)/(3)x,\ h=x`

Substitute:

`A_\triangle=(\left((5)/(3)x\right)(x))/(2)=\left((5)/(3)x^2\right)\left((1)/(2)\right)=(5)/(6)x^2`