Answer:
119 cm^2.
Step-by-step explanation:
Perimeter = 2(L + W) where L = length and W = the width.
L = W+10 (given).
So substituting the given values:
48 = 2(L + W)
48 = 2(W+10 + W)
2(2W + 10) = 48
2W + 10 = 48/2 = 24
2W = 24 - 10 = 14
W = 7 cm.
So L = 17 cm.
Area = 7 * 17
= 119 cm^2.