Question
If the angular diameter of the sun is 20, how far from
the eye a coin of radius 4.95 cm be kept to hide the sun?Solution
The side of a square is equal to the perimeter of an equilateral triangle of area 36√3 cm2 . Find the area of the square?
AB is a diameter of a circle with centre O. A tangent is drawn at point A. C is a point on the circle such that BC produced meets the tangent at P. If οΏ½...
The length of a width is 21 cm and the side of a square is 25 cm less than the length and width of the rectangle. If perimeter of the rectangle is 30 cm...
A room 20 m long, 16 m broad and 8m high has 2 windows of 1 m and `1(1)/(2)` m and a door of 2m `xx` `1(1)/(2)` m. Find the cost of paperi...
Length of a rectangle is equal to the side of a square. If area of the square and rectangle is 529 m2 and 299 m2, respectively the...
‘A’ invested Rs. 4680 for ‘x’ months while ‘B’ invested Rs. 780 less amount than ‘A’ for (x + 5) months....
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 128Λ , then the measure of angle P is:
If the ratio of areas of two circle is 4:9, then the ratio of their circumferences will be:
The ratio of the curved surface area to the total surface area of a cone is 5:9. Determine the ratio of the radius of the cone to its slant height. (Use...
A right circular cone has a base area of 154 cmΒ² and a slant height of 25 cm. What is the volume of the cone?
