SOLUTION: 1)the ase of an isosceles triangle is 80cmand its area is 360sqm find its perimeter 2)in an isosceles triangle one of the congruent side is of length 10cmfind the of an on the hyp

Algebra ->  Triangles -> SOLUTION: 1)the ase of an isosceles triangle is 80cmand its area is 360sqm find its perimeter 2)in an isosceles triangle one of the congruent side is of length 10cmfind the of an on the hyp      Log On


   

Question 941015: 1)the ase of an isosceles triangle is 80cmand its area is 360sqm find its perimeter
2)in an isosceles triangle one of the congruent side is of length 10cmfind the of an on the hypotenuse
thank you tutor
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
For a triangle,
A=%281%2F2%29bh
360=%281%2F2%29%2880%29h
h=9
The height and (1/2) the base make up a right triangle,
H%5E2=40%5E2%2B9%5E2
H%5E2=1600%2B81
H=41cm
So the perimeter is,
P=41%2B41%2B80
P=162cm
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Could you please repost the second question, it doesn't make sense as written?