EM-2218
Arc length and sector area
E Math · Secondary 4 · Hard · Arc length and sector area
A circle has radius 10 cm. The perimeter of a sector is cm and its angle is radians.
Use the perimeter formula of a sector to find , correct to 3 significant figures.
Use the perimeter formula of a sector to find , correct to 3 significant figures.
- rad
- rad
- rad
- rad
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