Question

Find the perimeter and area of the rectangle below in terms of h.

Perimeter-
Area-

Answer 1

P = 8h+ 38

A = 3h^2 + 35h+88

Explanation:

P = 2(l+w)

P = 2(3h+11+ h+8)

combine like terms

P = 2(4h+19)

distribute

P = 8h+ 38

A = l*w

A = (3h+11) * (h+8)

FOIL

3h*h + 3h*8 + 11*h + 8*11

3h^3 + 24h + 11h + 88

3h^2 + 35h+88