Question

For finding AB and BC with the
help of information given in figure
2.20, complete following activity.​

Answer 1

Answer:

|| is on the line AB & BC

this means that both of the lines lengths are equal

by using pythagoras theorem

AB^2+ BC^2 = AC^2

°.° AB=BC ( we take AB as x which also means we take BC as x since AB=BC)

x^2+x^2= (_/8)^2

2x^2=8

x^2=8/2

x=_/4

x=2

.°. AB=BC=2 is the answer

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