Mathematics > 2018 > 15
WASSCE
A piece of thread of length 21.4cm is used to form a sector of a circle of radius 4.2cm on a piece of cloth. Calculate, correct to the nearest degree, the angle of the sector.
[ Take π = 22/7 ]
[ Take π = 22/7 ]
A.
170°
B.
177°
C.
182°
D.
192°
Answer: B
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