Question

GEOMETRY FIND LENGTH OF THIRD SIDE

Answer 1

`b =√(51)`

Explanation:

Using the Pythagorean Theorem,

`a^(2) + b^(2) = c^(2) \\7^(2) + b^(2) =10 ^(2) \\b^(2) = 10^(2) - 7^(2) \\b^(2) = 100-49\\b^(2)= 51\\ b = √(51)`

Hence the length of the third side is
`√(51)`