# Question #16a92

##### 2 Answers

Yup.

#### Explanation:

It's a right triangle if

The sides are in the ratio

This is one of the Pythagorean Tiples, which means that the triangle is right-angled.

#### Explanation:

A knowledge of some of the Pythagorean Triples is useful in answering this question.

A Pythagorean Triple is a ratio representing the lengths of the sides of a right-angled triangle, where the sides are all whole numbers and exact. They only apply if there is

Some of the common triples are:

The sides of the given triangle are

If these are written as a ratio in the simplest form we get:

This is one of the Pythagorean Tiples, which means that the triangle is right-angled.