Question

whoch of the following sides are not of a right angled triangle ( in cm)

options

A) 9,15,12

B) 9,5,7

C) 400,300,500

D) 2,
$\sqrt{5}$
1
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Answer 1

Answer:

option Ais is right angle because

9sq. +12sq. is equal to 15sq.

9sq.=81

12sq.=144

144+81=225

√225=15

option b but not because

5sq. +7sq. is not equal to 9sq.

Step-by-step explanation:

option c is right anglebecause 400sq.+300sq.is equal to 500sq.

option d is right angle because 2sq.+1sq.is equal to√5