Question

Given a right triangle DEF with angle D as a right angle, find side DE if DF = 5 units and EF = 13 units.

Answer 1

Please help!

Answer 2

do yu still need help ?

Answer 3

Well for this we could use the Pythagorean theorem: a^2+b^2 = c^2,
5^2 + b^2 = 13^2
25 + b^2 = 169
-25 -25
b^2 = 144
b = square root of 144
b = 12
Side DE = 12 units

Answer 4

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Convert
Well for this we could use the Pythagorean theorem: a^2+b^2 = c^2,
5^2 + b^2 = 13^2
25 + b^2 = 169
-25 -25
b^2 = 144
b = square root of 144
b = 12
Side DE = 12 units
\(\color{#0cbb34}{\text{End of Quote}}\)
Oops sorry. I didn't notice he/she already posted the question which @jhonyy9 answered too already.