Question

25 marks. please help Pythagoras theorem. please help... ​

Answer 1

Explanation:

`here \: xo = yo = b \\ then \: according \: to \: pythagorean \: theorom \\ {(zx)}^(2) = {(xy)}^(2) + {(yz)}^(2) \\ {41}^(2) = {(2b)}^(2) + {9}^(2) \\ 1681 = 4 {b}^(2) + 81 \\ 1681 - 81 = 4 {b}^(2) \\ 1600 = 4 {b}^(2) \\ {b}^(2) = 1600 / 4 = 400 \\ b = √(400) = 20cm \\ thank \: you`