Question
Eluviation predominantly affects which horizon?
Solution
The A horizon (especially A â‚‚ ) loses clay and oxides through leaching (eluviation).
- 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)
A semicircle has a radius of 7 cm. What is the perimeter of the semicircle?
- 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...
- Find the area of a circle whose radius is (4/5)ᵗʰ of the side of a square whose area is 2,025 cm². (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.
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 circumference of the two circles is 120 cm and 428 cm respectively. What is the difference between their radii?
If a wheel covers a distance of 660 m in 30 rotations, then the diameter of the wheel is?
In a circle of radius 5 cm, a point P lies outside the circle at a distance 13 cm from the centre O. Tangents PA and PB are drawn from P to the circle, ...
- In a circular field, the area is six times its circumference in terms of numerical value. Calculate the diameter of the field.