Question
`(13.022)^(2)+
(42.93)^(2)-(53.125)^(2)+(192.33xx14.88)=?- (88.44)^(2)- (42.03 xx 23.12)` Directions (56 -60): What will come in place of question marks ‘?’ in the following questions? (You do not have to calculate the exact value?Solution
- 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 circumference of a circle equals the perimeter of a square of side 14. Find area of circle.
A sector of a circle has a central angle of 90°. If the radius of the circle is 10 cm, what is the area of the sector?
The area of a square is 3,600 cm². Find the area of a circle whose radius is (2/3)ᵗʰ of the side of the square. (Use π = 3.14)
The area of a sector of a circle is 88cm² and the angle of the sector is 60º. Find the radius of the circle.
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 ?
If the angle of a sector of a circle is 600 & its radius is 14 cm , find the length of arc of this sector?
- The circumference of the circle is 110 cm while the length of the rectangle is 6 cm more than the radius of the circle. Find the perimeter of the rectangle...
In a circle of radius 13 cm, a chord has length 10 cm. Find:
(a) the distance of the chord from the centre,
(b) the angle subtended by the...
- 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)
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