Asked by Helen
In a right triangle the length of a hypotenuse is c and the length of one leg is a. Find the length of the other leg b, if:
c=13, a=5;
c=13, a=5;
Answers
Answered by
Damon
a^2 + b^2 = c^2 or at least used to be
so
25 + b^2 = 169
b^2 = 144
b = 12
which of course you knew anyway because like 3,4,5 the 5,12,13 triangle is a famous right triangle that everyone knows by heart.
so
25 + b^2 = 169
b^2 = 144
b = 12
which of course you knew anyway because like 3,4,5 the 5,12,13 triangle is a famous right triangle that everyone knows by heart.
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