Find the area of the circle in which a ...

Find the area of the circle in which a square of area `64\ c m^2` is inscribed. `[U s e\ \ pi=3. 14]`

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RD SHARMA-AREAS RELATED TO CIRCLES-All Questions

Three circles are placed on a plane in such a way that each circle ...
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The diameters of front and rear wheels of a tractor are 80 cm and 2m r...
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Find the area of the circle in which a square of area 64\ c m^2 is ...
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The diameter of a wheel of a bus is 90 c m which makes 315 revolutions...
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In Fig. 15.75, O E=20\ c m . In sector O B F T , square O E F G is i...
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In Fig. 15.76, O is the centre of circle of radius 28 cm. Find the ...
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In Fig. 15.77, P Q R S is a square of side 4 cm. Find the area of t...
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A circle is inscribed in an equilateral triangle A B C is side 1...
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In Fig. 15.80, an equilateral triangle A B C of side 6 cm has been ...
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A circular field has a perimeter of 650 m. A square plot having its...
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In Fig. 15.82, A B C D is a rectangle, having A B=20\ c m and B C=1...
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The diameter of a coin is 1 cm (Fig. 15.83). If four such coins be ...
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From a circular piece of cardboard of radius 3 cm two sectors of 90^@ ...
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The area of a sector is one-twelfth that of the complete circle. Fi...
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The radius of a circle with centre O is 5 cm. (Fig. 15.84). Two rad...
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A B C D E F is a regular hexagon with centre O (Fig. 15.85). If ...
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Find the area enclosed between two concentric circles of radii 3.5 ...
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A path of 4 m width runs round a semi-circular grassy plot whose circu...
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Fig. 15.87, shows the cross-section of railway tunnel. The radius O...
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In Fig. 15.90, O is the centre of a circular arc and A O B is a ...
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