Help me plis i have to give to my teacher today 11-15
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0
Answer:
r=d/2
r=67/2
circumference=2πr
=2×22/7×67/2
1474/4
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Answered by
1
Answer:
11.Circumference= πd
22/7*63
22*9
==198
12.
===2πr
2*22/7*15
94.28
13.
===now his mass will be
36*130%
36*130/100
18*13/5
46.8 kg
14.
=increase in temperature.=35-28
=7
% = 7*100/28
= 100/4
=25%
15.
= πd
22/7*23
= 72.22
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