Mathematics, 03.05.2021 23:10 matthesml

The cone has a base diameter of 20cm and a slant height of 25 cm. A circle is drawn around the surface of the cone at a slant height of 10cm above the base.

The curved surface of the cone above the circle is painted grey.

Work out the area of the curved surface of the cone that is not painted grey,

Give your answer as a multiple of

You must show all your working.

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The cone has a base diameter of 20cm and a slant height of 25 cm. A circle is drawn around the sur...

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