Question

The sphere of 6cm diameter has been melted into a wire with a radius of 0.2cm.

a) 6cm
b) 700cm
c) 900cm
d) 450cm

please answer to this question with an explanation

Sindhuk ur answer is wrong because
the radius of 0.2 not 0.1.

well try please help me​

Answer 1

Answer:

cos∅=3/5=B/H

by Pythagoras theorem

H²=P²+B²

5²=P²+3²

P²=25-9

P²=16

P=√16=4

sec is ratio of hypotenuse/base

5/3

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