Question

can 2cm, 2cm, 5 cm be the sides of a right-angled triangle? JUSTIFY​

Answer 1

No, they cannot be the sides of a right triangle.

To see if the sides make a right triangle, take the largest number, 5 in this case and check if the other two numbers add up to 5. In this case, they do not.

Answer 2

Answer:

No way these lengths can be the sides of a right triangle

Step-by-step explanation:

Use the Pythagorean theorem

$2^{2} + 2^{2} \neq 5^{2} \\4 + 4 \neq 25$

No way these lengths can be the sides of a right triangle