Question

Any help? its the Pythagorean Theorem

Answer 1

x =
`√(13)` or 3.61 to 3 significant figures

Explanation:

First find CD which is
`\sqrt{5^(2)-3^(2) }` = 4

6 - 4 = 2 which is FC

so do
`\sqrt{2^(2)+3^(2) }` =
`√(13)` or 3.61 to 3 significant figures