Area of the base of a cone

is

900 Sq.cm and its height

is 28 cm

– Find its Surface

area

# Area of the base of a cone

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Step-by-step explanation:Have a go

WHAT YOU NEED: A bowl of water, cork, sewing needle and a compass. 1 of 5.

Rub the needle 50 times along the magnetic strip on a fridge door. …

Place the magnetised needle onto the piece of cork. …

Gently place the needle and cork into the bowl of water. …

The needle will turn and then come to a complete stop.