SOLUTION: The lengths of the two legs of an isosceles triangle are represented by the expressions (2x – 5) and (x + 7). The perimeter of the triangle is 50 cm. Find the length of the base o

Algebra ->  Triangles -> SOLUTION: The lengths of the two legs of an isosceles triangle are represented by the expressions (2x – 5) and (x + 7). The perimeter of the triangle is 50 cm. Find the length of the base o      Log On


   

Question 940583: The lengths of the two legs of an isosceles triangle are represented by the expressions (2x – 5) and (x + 7). The perimeter of the triangle is 50 cm. Find the length of the base of the triangle.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Since it's isosceles, the two legs are equal in length, so
2x-5=x%2B7
x=12
Then the perimeter would be,
12%2B12%2Bb=50
b=26cm