Question

Is this correct pls help

Answer 1

Volume of round cake pan = volume of cylinder

Volume of a cylinder =
`\pi r^2h` (where r is the radius and h is the height)

Radius =
`\frac12` diameter ⇒
`r=\frac72=3.5`

⇒ volume of round cake pan =
`\pi * 3.5^2 * 2=24.5\pi`

= 76.97 in³ (nearest hundredth)

Volume of rectangular cake pan = volume of rectangular prism

volume of rectangular prism =
`wlh` (where w is the width, l is the length and h is the height)

⇒ volume of rectangular cake pan = 6 x 9 x 2 = 108 in³

As 108 > 76.97, the rectangular cake pan has a larger volume