nikoalexx nikoalexx

19-11-2020
Mathematics

contestada

b) The perimeter of the rectangle below is 42cm. Calculate the
lengths of the sides by forming an equation and solving it.

x-2
x + 5

Respuesta :

amanzana671 amanzana671

19-11-2020

Answer:

L = 14 W = 7

Step-by-step explanation:

2L + 2W = P

2 (x - 2) + 2(x + 5) = 42

2x - 4 + 2x + 10 = 42

4x + 6 = 42

-6. -6

4x = 36

x = 9

9 - 2 = 7

9 + 5 = 14

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