Parallelogram 49383

The parallelogram has the sides a = 25.3 b = 13.8, and the angle closed by the sides is a = 72 °.
Calculate the area of the parallelogram.

Correct answer:

S =  332.0519

Step-by-step explanation:

a=25.3 b=13.8 β=72  φ=180β=18072=108   h=b sinφ=b sin108° =13.8 sin108° =13.8 0.951057=13.12458  S=a h=25.3 13.1246=332.0519

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Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.

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