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ludwig457
 3 years ago
A triangle has an area of 26 in2, and two of the sides of the triangle have lengths 8 in. and 7 in. Find the angle included by these two sides. (Assume the angle is acute. Round your answer to one decimal place.) ...working...
ludwig457
 3 years ago
A triangle has an area of 26 in2, and two of the sides of the triangle have lengths 8 in. and 7 in. Find the angle included by these two sides. (Assume the angle is acute. Round your answer to one decimal place.) ...working...

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ludwig457
 3 years ago
Best ResponseYou've already chosen the best response.026=1/2(8)(7)sin(theta) sin(theta)=(2*26)/(8*7)=52/56 theta= ??? after 52/56 how do i find what theta is? what do i do with sin?

cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.1sin theta = 52/56 (not theta) use your calculator to find theta [ the required key on your calculator will be sin1 or arcsin]

ludwig457
 3 years ago
Best ResponseYou've already chosen the best response.0sweet thanks, 68.2 degrees
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