Question
How many environmental activists got the Goldman
Environmental Prize 2019?Solution
The correct answer is C
- Find the angle subtended at the center by an arc of a sector whose area is 462 cm² and radius is 21 cm. (Use π = 22/7)
The wheel of a car made 300 rotations. How much distance did the car travel if the diameter of the wheel is 28 inches? (1 inch = 2.54cm)
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 ?
In a circle, two chords AB & CD are produced at P which is outside the circle . If PA= 18 cm, AB= 12 cm , PC = 6 cm then find CD.
Find the area of the sector of a circle with radius 14 cm and central angle 90°.
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)
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?
A circle has radius 13 cm. A chord is 10 cm long. What is the perpendicular distance from the centre to the chord?
- If the numerical value of the area of a circle is seven times that of its circumference, determine the diameter.
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