Question
Find the number of sides of regular polygon. If the
ratio of interior angles and exterior angles are 3:2.Solution
On a rectangular wall of length 20 metres and height 21 metres, there is a window in the shape of triangle surmounted on a square. If the base of triang...
What is the difference between (in m2) the area of a circular field of radius 35 metres and area of a rectangular piece of land having its di...
A rectangular garden is 50 m long and 35 m wide. Find the cost of fencing it once all around at Rs. 15 per metre.
The sum of the areas of two circles P and Q is 20020 cm2. If the product of the diameters of both circles P and Q is 12348 cm, then find out ...
Two right circular cones of equal height of radius of base 3cm and 4cm are melted together and made into a solid sphere of radius 5 cm. The height of th...
Three cubes of metal whose edge are 6cm, 8cm and 10cm. respectively are melted and a single cube is formed. What is the length of the edge of the newly...
Calculate the perimeter of a rectangle, given that a circle with an area of 308 cm² has a radius that matches the diagonal of a square. The ratio betwe...
The length of sides of a square is twice the radius of a circle and perimeter of a rectangle is half the perimeter of the square. If the sum of length a...
If the ratio of areas of two circle is 36:49, then the ratio of their circumferences will be:
18 × 15 + 86 – 58 = ? + 38
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