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1 A sector of a circle with angle 1.2 radians has area 54 cm². Find the radius of the circle.

1 A sector of a circle with angle 1.2 radians has area 54 cm². Find the radius of the circle.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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EXERCISE 4C 1 A sector of a circle with angle 1.2 radians has area 54 cm². Find the radius of the circle. The perimeter of the sector shown in the diagram is 28 cm. Find its area. 2 6 cm N 1.6 rad M 3 A sector of a circle with angle 162 ° has area 180 cm². Find the radius of the circle. Find the area of the shaded region. 4 45° 3 cm 5 Points P and Q lie on the circumference of the circle with centre Q and radius 5 cm. The
Transcribed Image Text:EXERCISE 4C 1 A sector of a circle with angle 1.2 radians has area 54 cm². Find the radius of the circle. The perimeter of the sector shown in the diagram is 28 cm. Find its area. 2 6 cm N 1.6 rad M 3 A sector of a circle with angle 162 ° has area 180 cm². Find the radius of the circle. Find the area of the shaded region. 4 45° 3 cm 5 Points P and Q lie on the circumference of the circle with centre Q and radius 5 cm. The
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1. Given a sector of a circle with angle 1.2 radians has area 54 cm2.

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