Question Details

Which of the following measurements (in cm) can be the sides of a right triangle ?

Options

A

14, 50, 48

B

12, 20, 18

C

16, 30, 32

D

12, 50, 44

Show Answer

Correct Answer :

Option A

14, 50, 48

Solution :

The correct option is 14, 50, 48.

To determine which set of side lengths can form a right triangle, we use the Pythagorean Theorem.
According to the Pythagorean Theorem, for a right triangle with side lengths a, b, and hypotenuse c (the longest side):

a2+b2=c2

Let's check the given option with side lengths 14 cm, 48 cm, and 50 cm:
Here, the longest side (hypotenuse) is c=50 cm, and the other two sides are a=14 cm and b=48 cm.

First, calculate the sum of the squares of the two shorter sides:

a2+b2=142+482

142=196

482=2304

a2+b2=196+2304=2500

Now, calculate the square of the longest side:

c2=502=2500

Since a2+b2=c2 (2500 = 2500), the measurements 14, 50, 48 satisfy the Pythagorean Theorem and can form a right triangle.

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