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The area of an equilateral triangle ABC ...

The area of an equilateral triangle ABC is `17320.5cm^2`.With each vertex of the triangle as center,a circle is drawn with radius equal to half the length of the side of the triangle(seeFig.12.28).Find the area of the shaded region.(use `pi=3.14` and `sqrt3=1.73205`)

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KALYANI PUBLICATION-AREAS RELATED TO CIRCLES-EXERCISE
  1. Find the area of the shaded region in the given figure. If PR=24cm, PQ...

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  2. Area of /\ABC=70cm^2 and CD=5cm. Find the area of the shaded region.

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  3. The area of an equilateral triangle ABC is 17320.5cm^2.With each verte...

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  4. In figure 12 PS is a diameter of a circle whose radius is 6cm. Two pi...

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  5. In the given figure PQRS is a diameter of a circle 6cm. The length PQ,...

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  6. Show that the area of the circumcircle of any square is twice the area...

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  7. A path of 7m width runs around a circular park whose radius is 18m. Fi...

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  8. In the adjoining figure the boundary of the shaded region consist of f...

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  9. The area of incircle of an equilateral triangle is 154cm^2then the per...

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  10. The inside perimeter of a running track as shown in the adjoining figu...

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  11. The inside perimeter of a running track as shown in the adjoining figu...

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  12. A chord of a circle of radius 14cm substends a right angle at the cent...

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  13. If the area of the sector is 5/8 times, the area of the circle, find t...

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  14. If OABC is a quadrant of a circle whose centre is O and radius r, find...

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  15. What is the angle substended at the centre of a circle of radius 4cm b...

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  16. If arc length of a sector is l and radius of the circle is r. Write th...

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  17. Area of the circle is .

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  18. The perimeter of a circle is known as .

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  19. Area of an arc of a sector angle theta is .

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  20. If the area of a circle and the circumference of it is numerically equ...

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