4. A chord of a circle of radius 10 cm subtends a right angle at the centre. Find the
the corresponding: (i) minor segment (ii) major sector. (Use pie = 3.14)
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area of minor segment= area of minor sector -area of triangle
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Answer:
Area of minor sector
90÷360×3.14×10×10
1÷4×314
78.5cm^2
Area of triangle
1÷2×10×10
50cm^2
Area of segment= area of minor segment- area of triangle
=78.5-50.0
=28.5m^2
Area of major sector
360-90/360×3.14×10×10
270×314
84780cm^2
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