Parallelogram 65954
In the parallelogram ABCD AB = 8, BC = 5, BD = 7. Calculate the magnitude of the angle α = ∠DAB (in degrees).
Correct answer:
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The Pythagorean theorem is the base for the right triangle calculator.
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Try conversion angle units angle degrees, minutes, seconds, radians, grads.
Cosine rule uses trigonometric SAS triangle calculator.
See also our trigonometric triangle calculator.
Try conversion angle units angle degrees, minutes, seconds, radians, grads.
You need to know the following knowledge to solve this word math problem:
algebraplanimetricsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem
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