Question

You are on a mountain and see three other mountain tops that create a polygonal valley....

You are on a mountain and see three other mountain tops that create a polygonal valley. Find the area of the valley if
one of the mountains is 20 miles north /10 miles east of you and the second is 30 miles west/4 miles north of you and
the third is 50 miles north and 10 miles east of you.

Math   Precalculus   
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Answer #1

area of the valley =600 sq.miles

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