Find the exact value of x using the rules of special right triangles. show all of the work.

this means do not give the answer as a decimal - the answer should have a square root in it.

Using the given angle use the law of Sines:

sin(angle) = opposite leg / hypotenuse

sin(45) = X / 6

x = 6 * sin(45)

x = 6 * √2/2

x = 3√2

We know so far that Ishaan is 14 years older than Christopher. So what you need to do is divide 13 by 3 because Ishaan is 3 times as old as  Christopher. 

14 ÷ 3 =  4.6.

Ages can't really be decimals so a simple solution is to round it to the nearest whole number: which would be 5.

Now we know that Christopher is about 5 years old. 

To find Ishaan's age add 5 and 14 together.

Which is 19.

Remember though that because Christophers age is rounded change the equals sign from this:

=

to this:

≈.
This sign means approximately 

Ishaan's is ≈ 19 years old.

I hope this helps! :)