Question

The lengths 18 cm, 24 cm and form the sides of a right-angled triangle.

• A. 25 cm
• B. 30 cm
• C. 27 cm

Answer 1

The correct option is B 30 cm

We have ${18}^2+{24}^2=324+576=900={30}^2$

In a Pythagorean triplet, the square of the largest number is equal to the
sum of the squares of the remaining two numbers. And, these three numbers form the measures of lengths of sides of a right-angled triangle with the largest side as the hypotenuse.