AOB is a sector of a circle, centre O, with radius 9 cm. Angle COD = 0.5

Question:

AOB is a sector of a circle, centre O, with radius 9 cm.

Angle COD = 0.5 radians and angle ODC is a right angle.

OC = 5 cm. Find

a. OD

b. CD

c. The perimeter of the shaded region

d. The area of the shaded region.

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Question Posted: Aug 26, 2021 02:35 AM

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AOB is a sector of a circle, centre O, with radius 9 cm. Angle COD = 0.5

Question:

В 5 cm' 0.5 rad A D 9cm

Step by Step Answer:

Given COD 05 radians and ODC is a right angle OC 5 cm1 Also OC is the hypotenuse in the ODC Now COD 05 radians 286479 degrees 1 radians 572958 degrees ...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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