CBSE Class 10 Maths (Standard) 2020 · Paper 30/4/1 · Question 33

Areas Related to Circles 3 marks Medium

In Figure-8, find the area of the shaded region where a circular arc of radius

7

cm has been drawn with vertex

O

of an equilateral triangle

O A B

of side

14

cm as centre. (Use

π = \frac{22}{7}

and

3 = 1.73

)

Equilateral triangle OAB with a circle of radius 7 cm centred at O

Answer

Area of the shaded region

= 213.10

^{2}

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