SOLUTION: This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the triangle is 15.7 centimeters. The equation 2a + b = 1

Algebra ->  Triangles -> SOLUTION: This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the triangle is 15.7 centimeters. The equation 2a + b = 1      Log On


   

Question 1042604: This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the triangle is 15.7 centimeters. The equation 2a + b = 15.7 can be used to find the side lengths.
If one of the longer sides is 6.3 centimeters, what is the length of the base?
Found 2 solutions by solver91311, ikleyn:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Substitute 6.3 for and then solve the equation for .

John

My calculator said it, I believe it, that settles it

Answer by ikleyn(52792) About Me  (Show Source):
You can put this solution on YOUR website!
.
This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b.
The perimeter of the triangle is 15.7 centimeters. The equation 2a + b = 15.7 can be used to find the side lengths.
If one of the longer sides is 6.3 centimeters, what is the length of the base?
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It is 15.7 - 2*6.3 centimeters.

They just explained you everything. What are your doubts?