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11-03-2020
Mathematics

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In the figure, ABCDE is a pentagon with BE||CD and BCIDE. BC is perpendicular to
CD. AB= 5cm, AE=5cm, BE= 7cm, BC= x-y and CD= x+y. If the perimeter of ABCDE is
27cm. find the value of x and y. given x, y 0.

In the figure ABCDE is a pentagon with BECD and BCIDE BC is perpendicular toCD AB 5cm AE5cm BE 7cm BC xy and CD xy If the perimeter of ABCDE is27cm find the val class=

Respuesta :

dannielle dannielle

11-03-2020

Answer:

BC=DE= x-y

AB+BC+CD+DE=5+x-y+x+y+x-y=27 cm

5+3x-y=27 cm

3x-y=22

if x=9 , then 3*9-y=22, 27-y=22, y=27-22, y=5

Step-by-step explanation:

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