# Can the sides 9, 40, 41 be a right triangle?

##### 2 Answers

Jun 25, 2015

#### Answer:

Yes. These can be the lenghts of a right triangle sides

#### Explanation:

To solve such task you can use the inverse Pytagorean Theorem. You have to check if the square of the largest number equals the sum of squares of the other numbers.

In this case you have to check if

Jun 27, 2015

#### Answer:

Yes, a 9,40,41 triangle is right angled since

This triangle is in the same sequence of right angled triangles whose first member is the 3,4,5 triangle.

#### Explanation:

If a triangle has sides:

then it is a right angled triangle.

The first few examples are: