Question 484395
 a right triangle, find the length of the side not given. A=5, c=13
the formula: a^2 + b^2 = c^2, b is not given
:
5^2 + b^2 = 13^2
25 + b^2 = 169
b^2 = 169 - 25
b^2 = 144
b = {{{sqrt(144)}}}
b = 12
:
:
You can check this in your calc, enter {{{sqrt(5^2+12^2)}}}, see the results of 13