What is the length of the arc of the sector of a circle with radius 14 cm and of central angle 90°? (a) 22 cm (b) ... | MCQ 1m | Maths | SuperPadhai

Areas Related To Circles > Question

MCQ1 markYear: 2023EasyCBSE Class 10

areas-related-to-circlesarc-lengthsector

Question

What is the length of the arc of the sector of a circle with radius

14

cm and of central angle

90°

?
(a)

22

cm
(b)

44

cm
(c)

88

cm
(d)

11

cm

Solution

1

Arc length

= \frac{θ}{360°} \times 2 π r = \frac{90}{360} \times 2 \times \frac{22}{7} \times 14 = 22

cm

+1 mark

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