Question

the hypotenuse of a right angled triangle is 15cm one of its legs is 9cm . what is the length of the other side?​

Answer 1

here is the answer to the question

hypotenuse =15cm.

leg side=9cm.

therefore by PGT,

hypotenuse square= leg side square +height square.

so, 15^2 =9^2 +x

therefore x=12cm.

hope it helps you

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Answer 2

by Pythagoras Theorem,

(hypotenuse )^2 = (perpendicular)^2+(base)^2

(15)^2 = (9)^2+ x2

225 = 81+x2

x2 = 144

x = 12 cm

therefore the other side is 12 cm