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There are 2 vertices that will be used for base side. Another 2 vertices which are adjacent to each vertices taken will make common side, so we have to minus these ae well. Therefore, The number of triangles formed with only one side common with octagon is 8× (8-2 -2) = 32
The volume of a solid cube is 1728 m3. If whole cube is to be painted at a rate of Rs. 6.5 per m2, then what will be the cost of p...
The perimeter of semicircle is 36 cm and the radius of the semicircle is equal to the height of a Cylinder whose volume is 198 cm 3 . then fi...
The ratio of the breadth to the length of a rectangular field is 2:3. The total cost of cutting the grass of the field at the rate of Rs 6 per m2
A tank whose length, width and height are 22 metres, 20 metres and 12 metres respectively is completely filled with juice. If the juice costs Rs.5/m
A right triangle with sides 7 cm, 24 cm, and 25 cm is revolved about the side of length 24 cm. What is the volume of the solid obtained?
A rectangular reservoir of 2800 m3 capacity has length and height equal to 10 m and 40 m respectively. if 420 m3 of water is taken...
In a rectangular floor of length and breadth of 18 metres and 8 metres, respectively, square tiles each of 3 metre edge length are to be laid. If the co...
Sides of a parallelogram are in the ratio 7:5. Its area is 735 sq. units. Altitude on the greater side is 35 units. Altitude on the smaller side is:
The volume of cone is 1617 cm3. If its height is 3.5 cm then find the radius of the cone.
