Find the circumference of the following circles; (take π as 22/7)
i. radius 21 cm
22/7=3.14
3.14x 21cmx 21cm
3.14x 441cm²= 1384.74cm²
ii. radius 43 cm
3.14x 43cmx 43cm
3.14x 1849cm²= 5805.86cm²
iii. diameter 85 cm
Iv. diameter 28 cm
can someone help me with the last 2 pls
Answers
Answered by
1
Answer:
circumference =267cm for third and for fourth it is 88 cm.
Step-by-step explanation:
circumference =2πr
=2×22/7×85/2
3.14×85= 266.9cm
so circumference is = 267 cm
For fothh one
circumference =2πr
= 2×22/7× 28/2
=88cm.
Answered by
1
Step-by-step explanation:
iv) radius=diameter/2=28/2=14
circumference=2×14×22/7=28×22/7=616/7=88
do same procedure in part 3rd also
hope this will help you
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