Find the area of the sector of a circle with radius 14 cm and central angle 90°.
- Calculate the area of a circle whose radius is (7/8)ᵗʰ of the side of a square whose area measures 1,600 cm². (Take π = 3.14)
- A rhombus has an area of 2,592 cm² and its diagonals are in the ratio 5:3. A circle is drawn with the shorter diagonal of the rhombus as its diameter. Cal...
The radius of a circle is 7 cm. Find the area of the sector formed by a central angle of 90°.
- A circular sector has a radius of 14 cm and an area of 154 cm². What is the angle formed at the center by the arc? (Take π = 22/7)
The circumference of a wheel is 39.6 cm. What is the radius of the wheel?
- The numerical value of the area of a circular park is ten times the numerical value of its perimeter. Find the diameter of the park.
The area of a sector of a circle is 88cm² and the angle of the sector is 60º. Find the radius of the circle.
Two chords AB and CD of a circle intersect at E such that AE = 3.4 cm, BE = 4.2 cm and CE = 2.6 cm. What is the approximate length of DE?
In a circle, the length of a chord AB is 48 cm & radius is 25 cm. Find the distance between centre and chord.