Question

A television set is 36 inches wide and has a diagonal length of 42 inches. To the nearest inch, how tall is the set?

Answer 1

\[\sqrt{42^2-36^2}\] and a calculator

Answer 2

it is like the last one
\[a^2+36^2=42^2\] solve for \(a^2\) then solve for \(a\) or do it in one step as i wrote above

Answer 3

468

Answer 4

yes, then take the square root

Answer 5

21?

Answer 6

\(21.63\) to the nearest 100th