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20 votes
20 votes
Find the area of this trianglesArea = [?] unitsRound to the nearest tenth

User Smily
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3.3k points

1 Answer

12 votes
12 votes

To find out the are of a triangle given two sides and the angle of them, you can use the formula:


A=(1)/(2)ab\sin \alpha

Where a and b are the sides and alpha is the angle. So:


A=(1)/(2)7\cdot8\sin 95\degree=28\sin 95\degree=28\cdot0.996=27.9

Area is 27.9 units².

User Andy Rose
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3.0k points