Question

Find the area and perimeter.

Answer 1

Explanation:

Perimeter of triangle = 4x - 3 + x + 9 + 8

= 4x + x - 3 + 9 + 8

= 5x + 14

Area =
`(1)/(2)*base *height`

`= (1)/(2)*8*3x\\\\= 4 * 3x\\\\= 12x`