SOLUTION: The sides of an isosceles triangle are 30 , 30 , and 10yd long. What is the area of the triangle? Do not round any intermediate computations, and round your answer to th

Question 980584: The sides of an isosceles triangle are
30
,
30
, and
10yd
long. What is the area of the triangle?
Do not round any intermediate computations, and round your answer to the nearest tenth.

Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
The height of the triangle is one leg of a right triangle with the 30 side as hypotenuse and 1/2 the 10 side as the other leg:
A=short leg=5; B=height; C=hypotenuse=30

.
Area=1/2 x base x height

Area =147.9 square units
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