amandaq0520 amandaq0520

01-11-2021
Mathematics

contestada

Find the dimensions of a rectangle whose area is 180 cm2 and whose perimeter is 54cm

Respuesta :

jerelips6271 jerelips6271

01-11-2021

Answer:

{12,15}

Step-by-step explanation:

54 = 2(L + W)

27 = L + W

27 - L = W

LW = 180

L(27 - L) = 180

27L - L2 = 180

0 = L2 - 27L + 180 FOIL

0 = (L - 12)(L - 15)

{12, 15}

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