mariahramdath
mariahramdath mariahramdath
  • 21-02-2020
  • Mathematics
contestada

XZ=n, WZ=2x-5, and the perimeter of ΔXWZ is 20. What is the value of n?
a.5
b.7
c.3
d.6

XZn WZ2x5 and the perimeter of ΔXWZ is 20 What is the value of n a5 b7 c3 d6 class=

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amna04352
amna04352 amna04352
  • 21-02-2020

Answer:

d.

Step-by-step explanation:

Since it's an isosceles triangle, WX=WZ= 2n-5

Perimeter = n + (2n-5) + (2n-5)

= 5n - 10

The Perimeter is given to be 20

5n - 10 = 20

5n = 30

n = 6

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