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Gaurav wants to make a pentagonal pyramid. How many triangles does he need to make the object?
Find the side of a cube whose surface area is 2400 cm^{2}.
Surface area of a cube = 6l^{2}, where l is the length of its side
2400= 6l^{2}
l^{2 }= 2400/6
l^{2} = 400 = 20^{2}
l = 20 cm
A square pyramid is a pyramid with a square base. So it has 4 triangular faces and 1 square base.
Which of the following can be calculated only for a cone but not for a cylinder?
Identify the statement that is false for a prism.
Solid geometry is the traditional mane of the geometry of threedimensional
There are 4 triangles in a triangular pyramid
A triangular pyramid is a pyramid with a triangle as a base and three triangular faces. It has four vertices or points and six edges.
Which is the threedimensional figure formed by rotating a triangle?
A cylinder is similar to a prism, but its two bases are circles, not polygons. Also the sides of a cylinder are curved, not flat.
There are 2 circular bases 1 on top and 1 on bottom.
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