Pyramid 8

Calculate the volume and the surface area of a regular quadrangular pyramid with the base side 9 cm and side wall with the base has an angle 75°.

Correct answer:

V =  641.27 cm3
S =  516.1171 cm2

Step-by-step explanation:

S2=a h2/2=9 24.1732/2108.7793 cm2  S=S1+4 S2=81+4 108.7793=516.1171 cm2

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Tips to related online calculators
Pythagorean theorem is the base for the right triangle calculator.
See also our trigonometric triangle calculator.

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