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Areas of Different Plane Figures

In the follow...

Question

In the following figure, an equilateral triangle ABC of side 6 cm has been inscribed in a circle. Find the area of the shaded region. (Take π = 3.14).

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Solution

We have to find the area of the shaded portion. We havewhich is an equilateral triangle and. Let r be the radius of the circle.

We have O as the circumcentre.

So,

Thus,

So area of the shaded region,

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Similar questions

In Fig. an equilateral triangle ABC of side 6 cm has been inscribed in a circle. Find the area of the shaded region. (Take $π = 3.14$ )

A circle is inscribed in an equilateral triangle ABC of side 12 cm. Find the radius of inscribed circle and the area of the shaded region.
[Use $π = 3.14 a n d \sqrt{3} = 1.73$ ]

Q. In the figure, a circle inscribed in an equilateral triangle

A B C

12 c m

. Find the radius of the inscribed circle and the area of the shaded region. [Use

π = 3.14

\sqrt{3} = 1.73

]

Q. In the given figure, a circle is inscribed in an equilateral triangle ABC of side 12 cm. Find the radius of inscribed circle and the area of the shaded region.
[Use

\sqrt{3} = 1.73, π = 3.14

Q. Find the area of a circle inscribed in an equilateral triangle of side

18 c m

π = 3.14

]

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Areas of Different Plane Figures

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