Problema Solution
In a triangle two sides of equal length the third side measures 15 inches less than the sum of the two equal sides. The perimeter is 53 inches. Find the lengths of the three sides.
Answer provided by our tutors
Let a, b, and c stand for the three sides of the triangle:
a=b
c=a+b-15
a+b+c=53
Using Algebrator to solve for a, b, and c, we get:
a=17 inches
b=17 inches
c=19 inches