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MakcuM [25]
4 years ago
15

Can someone pls answer these questions thks ok

Mathematics
1 answer:
Vlad1618 [11]4 years ago
7 0

OK.  I think we can do that.

' V= b h ' means  " Volume = (area of the base) x (height) "

That can work for both a cylinder and a cube. 
(But the cylinder has to be standing up on one end.)

-- <u>Cylinder:</u>

The base that it's standing on is a circular end.
The area of a circle is  A = π (radius)² .
Radius = 1/2 of the diameter = 1/2 of 6 cm = 3 cm .
Area of the circular base = π (3 cm)² = 9 π cm²
Height of the cylinder = 4 cm
V = b h = (9 π cm²) (4 cm) = 36 π cm³ = <em>113.1 cm³</em> (rounded)

-- <u>Cube:</u>

Every edge of the cube is the same length ... 3.5 inches
Every face of the cube is a square.
Area of a square = (side length)²
Area of the base that the cube is sitting on = (3.5 inches)²
Volume of the cube = b h = (3.5 inches)² (3.5 inches)

                                        = (3.5 inches)³ = <em>42.875 inches³


</em>
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