PrincessNeNe63091 PrincessNeNe63091

02-09-2017
Mathematics

contestada

The length of a rectangle is twice its width. if the area of the rectangle is 162 m2 , find its perimeter.

Respuesta :

texaschic101 texaschic101

02-09-2017

L = 2W
A = L * W
A = 162

162 = 2W(W)
162 = 2W^2
162/2 = W^2
81 = W^2
sqrt 81 = W
9 = W

L = 2W
L = 2(9)
L = 18

P = 2(L + W)
P = 2(18 + 9)
P = 2(27)
P = 54 <===== perimeter is 54 m

Answer Link

Otras preguntas

what city is located 60 north 25 east

I = {1, 2} List all possible subsets of the given set.

What do you mean by corrosion? How can you prevent it?

1. Why are there active volcanoes along the Pacific coast in Washington and Oregon but not along the East coast of the United States?

A transformer has a primary coil with 600 turns and a secondary coil with 300 turns. If the output voltage is 320 volts, what is the input voltage?A. 8 volts

Why do Andhra Pradesh donot recive any snow fall during during winter months. PLEASE HELP.....EXAM TOMORROW

1. Why are there active volcanoes along the Pacific coast in Washington and Oregon but not along the East coast of the United States?

One-half of a number is -12. Find the solution ???

how do I solve x+2y=8

A construction contractor is purchasing granite tiles for a new kitchen floor. Each tile costs $5 and he wants to spend less than $1,500. The size of each tile