Q19 of 124 Page 364

When a torch is pointed towards one of the vertical edges of a cube, you get a shadow of cube in the shape of

When a torch is pointed towards one of the vertical edges of a cube, you get a shadow of cube in the shape of a rectangle.

Hence the correct answer is B.

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17

If we rotate a right-angled triangle of height 5 cm and base 3 cm about its height a full turn, we get

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If we rotate a right-angled triangle of height 5 cm and base 3 cm about its base, we get:

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Which of the following sets of triangles could be the lengths of the sides of a right-angled triangle:

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In which of the following cases, a unique triangle can be drawn