A circle has radius 13 cm. A chord is 10 cm long. What is the perpendicular distance from the centre to the chord?
A metal wire when bent in the form of a square encloses an area 1089 cm 2 , if the same wire is bent in the form of a circle, then its area is?
From an external point P, two tangents PA and PB are drawn to a circle with centre O and radius 5 cm. The angle between the tangents ∠APB is 60°. Fin...
A circle touches all four sides of a quadrilateral. If AB = 18 cm, BC = 21 cm, and AD = 15 cm, then what is the length of CD?
If the radius of a circle is 15 cm, then which of the following is true regarding the length of the chord (L)?
A semicircle has a radius of 7 cm. What is the perimeter of the semicircle?
In a circle AB is diameter & C is a point on circumference such that AC = 13 cm & BC = 84 cm then find the area of circle ?
- The area of a circle is nine times its circumference (numerically). What is the diameter 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 sector of a circle has a central angle of 120° and a radius of 10 cm. Find the area of the sector.