Question

$\huge\bold{QueStiÖn}$The radius of a circular plate increases at the rate of 0.1 cm/sec. At what rate does the area increase when the radius of plate is 11 cm.
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Yesh. xd
u will also get famous ND busy soon.
Mr snowman ⛄
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Answer 1

Answer:

Iron ore is a mineral substance which, when heated in the presence of a reductant, will yield metallic iron (Fe). It almost always consists of iron oxides, the primary forms of which are magnetite (Fe3O4) and hematite (Fe2O3). Iron ore is the source of primary iron for the world's iron and steel industries.

Step-by-step explanation:

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