in a circle of radius 10 cm an arc subtends an angle of 90 in centre the length of the arc is.
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10th
Maths
Areas Related to Circles
Area of Sectors and Segments
In a circle of radius 10 cm...
MATHS
In a circle of radius 10 cm, an arc subtends an angle of 90
0
at the centre. Find the area of major sector.
December 26, 2019
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Naresh Danduri
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ANSWER
Area of sector OAPB =
360
πr
2
θ
=
7
22
×
360
10×10×90
7
550
Area of major sector = area of circle - area of sector OAPB
=πr
2
−
7
550
=
7
22
×10×10−
7
550
=
7
2200
−
7
550
=
7
1650
cm
2
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