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

Which excerpt from Chapter 28 of Moby- best develops the theme of the novel concerning man’s insistence on manufacturing his own destruction.

find the radius of the smaller cylinder

Which major city in the South has been trying to rebuild its economy because of a 2005 hurricane?

which of the following equals to 24 9/16 A 25.916 B 25.25 C 25.169 D 25.5625

if you have a mineral sample with a volume of 40 ml and a mass of 200 grams what is the density

Which is more mountainous, eastern or western north america?

The root of 6 corn plants had depths of -3.54 feet, -2 4/5 feet, 3.86 feet, -4 1/8 feet, -4.25 feet, and -3 2/5. How many corn plants had roots between 3 and 4

Barack Obama Approval ratings for each term Highest Lowest Average

Where is the circumcenter of this acute triangle located? on a side of the triangle outside the triangle inside the triangle at a vertex of the

the treaty of paris 1763 marked the end of power in north america for