The area of a sector of a circle of radius 7cm and central angle 45 dgrees is
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18
Area of a sector=πr^2×angle/360. (Formula)
π=22/7
r=7cm
angle=45
Then area,
(by putting the values in that formula)
=22/7×7×7×45/360
=19.25 cm^2 (ans)
19.25 is the answer.
π=22/7
r=7cm
angle=45
Then area,
(by putting the values in that formula)
=22/7×7×7×45/360
=19.25 cm^2 (ans)
19.25 is the answer.
shas83:
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Answered by
1
answer:
19.25 cm^2
explanation:
THE AREA OF A SECTOR OF A CIRCLE =πr^2×ANGLE ÷360
GIVEN RADIUS R=7 Cm
π=3.14
ANGLE =45°
SUBSTITUTE IN FORMULA
3.14×7×7×45°÷360=19.25 cm^2 answe
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