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Write an equation to find the value of x so that each pair of polygons has the same perimeter. Then solve​

Write an equation to find the value of x so that each pair of polygons has the same perimeter Then solve class=

Respuesta :

holup90

The Pythagoras Theorem:

the base squared and height squared added is equal to the hypotenuse squared.

so

(x+6)² + (x+3)²= (x+9)²

x²+36+12x+x²+9+6x = (x+9)²

2x²+45+18x=x²+81+18x

x²=36

x=√36

X= 6

now

(x+6)= 12

(x+3)=9

(x+9)=15

haha sorry correct it pls

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