Question

Which best explains whether a triangle with side lengths 5 cm, 13 cm, and 12 cm is a right triangle? The triangle is a right triangle because 52 + 122 = 132. The triangle is not a right triangle because 5 + 13 > 12. The triangle is not a right triangle because 52 + 132 > 122. The triangle is not a right triangle because 5 + 12 > 13.

Answer 1

see the sum of square of two sides must be equal to the sqare of third one...

so 25+144=169

therefore it is a right triangle

Answer 2

Answer:

not that is hyphothesis.....