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The area of an isosceles triangle is 60 sq.cm and the length of each one of its equal sides is 13 cm.Find its base?

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in Mathematics by (670 points)
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The area of an isosceles triangle is 60 sq.cm and the length of each one of its equal sides is 13 cm.Find its base?
by (14.7k points)
Question is incomplete, please provide the area of triangle
by (670 points)
Area of triangle 60 sqcm
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Best answer

Let base x , altitude p and area A
Area=1/2(x*p)=60
p = 120/x
Now applying pythagoras theorem 
(x/2)2+(120/x)2=132
Solving equation we get:

x=24, x=10

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