Question
Stereo was invented by              Â
.Solution
Modern stereophonic technology was invented in the 1930s by British engineer Alan Blumlein at Electric and Musical Industries in London.
A rectangular reservoir of 2800 m3 capacity has length and height equal to 10 m and 40 m respectively. if 420 m3 of water i...
The radius of the base of a cylindrical tank is 5 metres. If eight times the sum of the areas of its two circular faces is four t...
The diagonals of a rhombus are 16 cm and 12 cm. What is the perimeter of the rhombus?
Two cones X and Y of are melted together to form a cylinder of height 48 m. The height of cones X and Y are in the ratio of 3:2 respectively and the rad...
In AABC, P is a point on AB such that PB: AP = 3: 4 and PQ is parallel to AC. If AR and QS are perpendicular to PC and QS = 9 cm, what is the length (in...
The area of two similar triangles is 400 cm² and 324 cm², respectively. What is the ratio of their corresponding altitudes?
The area of a regular hexagon with side as 6 cm is
In a right angles trainagle, one acute angle is double the other. If the length of its hypotenuse is 20 cm, the find its area?
Length of a rectangle is equal to the side of a square. If area of the square and rectangle is 729 m2 and 297 m2, respectively the...
- Find the area of sector of a circle whose radius is 14 cm and angle subtended by the sector at centre of circle is 45°.
