Question

Find x if a= 13 and c= 47

Answer 1

Okay so you need to use the Pythagorean theorem which is a^2 + b^2 = c^2

13^2 + b^2 = 47

169 + b^2 = 2,209
Move constant to the right


b^2 = 2,209 - 169
Subtract the numbers

b^2 = 2,040
Take the root of both sides


The final steps an answers are above on the image;)