Question

Find the unknown side length, x. Write your answer in simplest radical form.

Answer 1

http://media.education2020.com/evresources/2004-04-01-02-00_files/i0080000.jpg

Answer 2

Do you know the famous Pythagoras theorem?

Answer 3

no

Answer 4

It is evident that this question is about right angle triangles, and in particular Pythagoras.

The equation
\[a ^{2} = b ^{2} + c ^{2}\]
is the Pythagoras equation

If you are not familiar with this then you are not ready to try this question.

You need ot go back to your books or class or read online until you know wha tth at equation means

then come back and ask for help here.

I'm afraid there is always a minimum background level of skills required before it is sensible to attempt a given question

Answer 5

@cheye123