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keyboard_arrow_right Areas Related to Circles

what is height in parallogram , the straight or slanting line?

- A chord of radius 12 cm substends an angle of 120 degree at the centre. find the area of the coressponding segment of the circle. (use pie = 3.14 and root 3= 1.73)
- A wheel has diameter 84cm. Find how many complete revolutions must it take to cover 792m.
- The area of a circle is 220 cm^2. find the area of square whose vertices are on the circle.
- Four equal circles are described at ths four corners of a square so that each touches two of the other. The shaded area enclosed between the circle is 24/7cm^.find the radius of each circle
- If AB is a chord of circle with centre O AOC is diameter and AT is tangent prove BAT = ACB
- In a given fig. ABCD is a trapezium with AB||CD and if BFEC is a sector of a circle with centre C and AB=BC=7cm and DE=4cm then find the area of the shaded region.
- A BCD Is an rectangle with ab=80cm and bc=70cm and angle AED=90 de=42cm a semi circle is drawn taking bc as diameter find the area of shaded region
- Area of segment formula?
- RQ IS A TANGENT TO A CIRCLE WITH CENTRE O. IF SQ=6CM,QR=4CM.FIND OR?