# Question #886d3

##### 1 Answer

Oct 2, 2016

X=7

#### Explanation:

Draw a right isosceles triangle ,

We are trying to find the lengths of the legs so let's call each leg x

So each leg is x and the hypotenuse is

(Pythagoras)

The perimeter is

or

This is equal to

This gives x=7

You didn't cover this... but if you are stuck then do something...that is draw the triangle and call the thing you are trying to find x.

DO SOMETHING!!