A chord ab of a circle of radius 10cm
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A chord AB of a radius 10cm makes a right angle at the centre of the circle.Find the area of the minor and major segments.
Asked by admin @ in Math viewed by 279 People
A chord AB of a radius 10cm makes a right angle at the centre of the circle.Find the area of the minor and major segments.
Answered by admin @
Answer:
Area of Minor Segment = 28.57 and Area of Major Segment = 285.72
Step-by-step explanation:
Given: Radius of circle, r = 10 cm
Angle made by chord at center = 90°
To find: Area of minor and major Segment
Area of Segment = Area of Sector - Area of triangle made by chord and radii.
⇒
=
=
Area of ΔAOB =
=
=
=
=
⇒ Area of Minor Segment =
=
=
= 28.57
Area of Major segment = Area of circle - Area of minor segment
= - 28.57
= - 28.57
= - 28.57
= - 28.57
= 314.29 - 28.57
= 285.72
Therefore, Area of Minor Segment = 28.57 and Area of Major Segment = 285.72
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