It's a 300-175-200 triangle, use the law of cosines

200= 300^2 + 175^2 - 2(300)(175)cosP

cosP =0.7679

P = 39.84 degrees

other angles found the same way are A=34.09, B = 106.07

they sum to 180 degrees, as all triangles do.

Janyne F.

asked • 04/12/21to the new tenth of a degree, at what angle must the plane turn to head towards Airport B?

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It's a 300-175-200 triangle, use the law of cosines

200= 300^2 + 175^2 - 2(300)(175)cosP

cosP =0.7679

P = 39.84 degrees

other angles found the same way are A=34.09, B = 106.07

they sum to 180 degrees, as all triangles do.

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