Ground 8370
The arch has a radius of 3.3 m, a span of 3.25 m, and a height of 20 cm above the ground. What is the length of the arc to reach the ground?
Correct answer:
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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:
- algebra
- expression of a variable from the formula
- arithmetic
- square root
- planimetrics
- right triangle
- circle
- perimeter
- triangle
- circular arc
- goniometry and trigonometry
- arcsine
Units of physical quantities:
Grade of the word problem:
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