Question

5
X
40
9
Find the exact value of x.
x =

Answer 1

Since that is a right triangle, we can use pythagorean theorem.

`c^2=a^2+b^2`

solve.

`c^2=40^2+9^2\\\\c^2=1681\\\\√(c^2)=√(1681) \\\\c=41`

the value of x is 41