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
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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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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