In the diagram, O is the centre of the circle of radius 1...
![In the diagram, O is the centre of the circle of radius 18cm. If < zxy = 70\(^o\), calculate the length of arc ZY. [Take \(\pi = \frac{22}{7}\)]](/img/aptitude-tests/questions/27865.jpeg "In the diagram, O is the centre of the circle of radius 18cm. If < zxy = 70\(^o\), calculate the length of arc ZY. [Take \(\pi = \frac{22}{7}\)]")
In the diagram, O is the centre of the circle of radius 18cm. If < zxy = 70o, calculate the length of arc ZY. [Take π=227]
A.
11cm
B.
22 cm
C.
44 cm
D.
80 cm
Correct answer is C
ZOT = 2 x 70o 140o
Length = θ360 x 2πr
140o360×2×227 x 18
= 44cm
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