Question

9. In the given Fig. 7.32, find the length of AD.
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Answer 1

Answer:

in right angled triangle ADB,

side 1²+ side 2²=hypotenuse ²

AD²+BD²=AB²

AD²+(1.25)²=1²

AD²+1.5625=1

AD²=1-1.5625

AD²=0.5625

AD=√0.5625

AD=0.75cm

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Answer 2

Answer:

Hope it helps you