IP1U13 SWII (Pythagoras) Q14

IP1U13 SWII (Pythagoras) Q14

IP 1

A cylinder is three times as high as it is wide.

The diagonal of the axial rectangular cross-section shown is \(20\text{ cm}\); its width is the cylinder’s diameter.

Find the EXACT surface area of the top of the cylinder (as shaded in the image).

(Note: Your solution will have the symbol \(\pi \) in it.)

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Answer:\(10\pi\text{ cm}^2\)

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