EM-2144
Arc length and sector area
E Math · Secondary 4 · Hard · Arc length and sector area
A circle has centre and radius 6 cm. The angle at the centre of a sector is radians.
Find the area of this sector, in , correct to 3 significant figures.
Find the area of this sector, in , correct to 3 significant figures.
- 18.0
- 21.6
- 23.0
- 43.2
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