3.
21 cm
14 cm
A silversmith is a craftsman who crafts objects from silver. A
silversmith was asked to prepare two circular plates: one of radius
21 cm and the other of radius 14 cm. The silversmith used a large
silver plate to carve out the two silver plates required. Find the
area of the large silver plate remaining.
Answers
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Step-by-step explanation:
1. area of plate a is = πr²
= 22/7×21²
=22/7×431
=22×63
= 1386cm²
2. area of plate b is = πR²
=22/7×14²
=22/7× 154
=22×22
=484
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