Question

solve the second part only​

Answer 1

In ️ABC

By PGT

(ac)² =(ab)²+(bc)²

(4x+5)²=(x)²+(4x+4)²

16x²+25=x²+16x²+16

16x²-16x²-x²=16-25

-x²=-9

x²=9

taking square root

x=9

AB=9

BC=4x+4

4×9+4

40

AC=4x+5

4×9+5

41

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