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प्रश्न
Radius of a circle is 10 cm. Measure of an arc of the circle is 54°. Find the area of the sector associated with the arc. (π = 3.14)
Given: The radius of a circle (r) = `square`
Measure of an arc of the circle (θ) = `square`
Area of the sector = `θ/360^circ xx square`
= `square/360^circ xx square xx square xx square`
= `square xx square xx square`
= 47.10 cm2
उत्तर
Given: The radius of a circle (r) = 10 cm
Measure of an arc of the circle (θ) = 54°
Area of the sector = `θ/360^circ` × πr2
= `bb54/360^circ` × 3.14 × 10 × 10
= 3 × 1.57 × 10
= 47.10 cm2
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