Which of the following sets of triangle could be the lengths of the sides of a right-angled triangle?

3 cm, 4 cm, 6 cm

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9 cm, 16 cm, 26 cm

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1.5 cm, 3.6 cm, 3.9 cm

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7 cm, 24 cm, 26 cm

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Solution

The correct option is C 1.5 cm, 3.6 cm, 3.9 cm
In a right-angled triangle sum of square of 2 sides is equal to square of hypotenuse
${3.9}^{2} = {1.5}^{2} + {3.6}^{2}$
$15.21 = 2.25 + 12.96$

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Question 20
Which of the following sets of triangles could be the lengths of the sides of a right-angled triangle?
a) 3 cm, 4 cm, 6 cm
b) 9 cm, 16 cm, 26 cm
c) 1.5 cm, 3.6 cm, 3.9 cm
d) 7 cm, 24 cm, 26 cm

Q. Which of the following could form the sides of a right-angled triangle?

Q. Which of the following can't be the lengths of the sides of a right-angled triangle?

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Which of the following sets of triangle could be the lengths of the sides of a right-angled triangle?

The correct option is C 1.5 cm, 3.6 cm, 3.9 cmIn a right-angled triangle sum of square of 2 sides is equal to square of hypotenuse 3.92=1.52+3.62 15.21=2.25+12.96

The correct option is C 1.5 cm, 3.6 cm, 3.9 cm
In a right-angled triangle sum of square of 2 sides is equal to square of hypotenuse
${3.9}^{2} = {1.5}^{2} + {3.6}^{2}$
$15.21 = 2.25 + 12.96$