SOLUTION: The perimeter of an isosceles triangular lot is 210 m. If each congruent side is 2/3 the third side, what are the lengths of the sides. Find the area of the triangle.

Question 155021: The perimeter of an isosceles triangular lot is 210 m. If each congruent side is 2/3 the third side, what are the lengths of the sides. Find the area of the triangle.
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!
Let known that & are congruent and the 3rd side=
So,

, or since -- congruent, then

--->
------------------------> side C
--------> side A & side B

Remember: =
Solve by Pyth theorem:
-----. we use only of side C for a right triangle to use Pyth theorem:

==
Then,
thank you,
Jojo

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