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In an isosceles triangle, the length of one of the two equal sides is 3 less than 4 times the third side. If the perimeter of the triangle is the same as the perimeter of a 144 sq. cms. square, what are the lengths of the sides of the triangle?

 

 

 

Thanks.

 Nov 22, 2015
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In an isosceles triangle, the length of one of the two equal sides is 3 less than 4 times the third side. If the perimeter of the triangle is the same as the perimeter of a 144 sq. cms. square, what are the lengths of the sides of the triangle?

 

This is very similar to the one i just did:/

 

Th only real difference is that you need to also find the perimeter of a sqare of area 144 cm^2 

How would you do that?

What is the formula for the area of a square?

 

When you do the triangle, draw a little pic, it will help you think more clearly.

Let me know how you get on :)

 Nov 22, 2015

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