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Subjects
Mathematics CBSE
Class 9 New
Measuring Space: Perimeter and Area
Pumpa Practice Questions
21.
Arc length of a circle
Exercise condition:
2
m.
A circle has a radius of \(49 \ cm\).
Obtain
the
length
of the arc subtended by an angle of \(90^{\circ}\) at the centre. [Use \(\pi = \frac{22}{7}\)]
Answer:
Length
of the arc \(=\)
\(cm\)
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