Asked by sara

in an isosceles triangle the vertex angle measures 90 degrees and the length of each congruent leg is 5√2. whats the length of the base?
Answered by Reiny
Isn't the base the hypotenuse of a right-angled triangle?

so h^2 = (5√2)^ + (5√2)^2
= .......
Answered by sara
20?
Answered by Reiny
How did you come up with that?
Answered by sara
i put it into the calculator and i got 20
Answered by Reiny
You should not need a calculator.

h^2 = (5√2)^ + (5√2)^2
= 50 + 50
= 100
h = √100 = 10
Answered by sara
oohh okay i get it now
thank you soo muchh!
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