Math, asked by akileshkannan5838, 1 year ago

Investigate if one 3D object is made of a cube and a square based triangular based prism (with a base of a cube) put together ( two faces must touch exactly) and another made of a cube and square based pyramid ( two faces must touch exactly) will have: (a) The same number of faces? ; (b) The same shape of faces?

Answers

Answered by cmtedit
2

a) Yes, both shapes have 9 faces.

b) The cube with a square based prism on top has 5 faces that are squares, 2 faces that are triangles and 2 faces that are rectangle.

The cube with a square based pyramid on top will have 4 faces that are triangles and 5 faces that are squares.

These sketches should help you see the faces:

Attachments:

cmtedit: sketch.jpg
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