erikasee3350 erikasee3350
  • 19-01-2021
  • Mathematics
contestada

Given AD = 7x , AB = 3x and the perimeter is 160. Find X.

Respuesta :

MrRoyal
MrRoyal MrRoyal
  • 19-01-2021

Answer:

x = 8

Step-by-step explanation:

The complete question illustrates that the rectangle has sides ABCD and I've represented it as an attachment.

We have that:

AB = 3x

AD = 7x

The perimeter is calculated as:

Perimeter = 2 * (AB + AD)

Substitute values for AB, AD and Perimeter

160 = 2 * (3x + 7x)

160 = 2 * 10x

160 = 20x

Divide both sides by 20

8 = x

x = 8

Ver imagen MrRoyal
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