Determine 4876

The rotating cone has a height of 72 cm and an angle at the top of 72 °. Determine the volume of the sphere.

Correct answer:

V =  2952658.1248 cm3

Step-by-step explanation:

h=72 A=72π/180=72⋅ 3.1416/180≐1.2566 r=h/cos(A/2)=72/cos(1.2566/2)≐88.9969 V=4/3π⋅ r3=4/3⋅ 3.1416⋅ 88.99693=2952658.1248 cm3≐2.953⋅106 cm3

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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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