Tower
How many m2 of the copper plate should be replaced on the roof of the conical tower shape with a diameter 23 m, and the angle at the axial section's vertex is 119°?
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Try conversion angle units angle degrees, minutes, seconds, radians, grads.
You need to know the following knowledge to solve this word math problem:
- arithmetic
- rounding
- solid geometry
- cone
- surface area
- planimetrics
- right triangle
- area of a shape
- triangle
- goniometry and trigonometry
- sine
Units of physical quantities:
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