What is the perimeter of the square inscribed in a circle of radius 6 cm.
Find the length of the direct common tangent of two circles with radii 8 cm and 5 cm respectively, if the distance between their centres is 11 cm.
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?
- A square has an area of 2,500 cm². Find the area of a circle whose radius is (2/5)ᵗʰ of the length of the square’s side. (Take π = 3.14)
If the angle of a sector of a circle is 450 & its radius is 14cm , find the area of this sector?
If the angle of a sector of a circle is 600 & its radius is 14 cm , find the length of arc of this sector?
If a wheel covers a distance of 660 m in 30 rotations, then the diameter of the wheel is?
In a circle of radius 13 cm, a chord is 5 cm from the center. Find chord length.
In a circle AB is diameter & C is a point on circumference such that AC = 8 cm & BC = 15 cm then find the area of circle ?