Math, asked by confused6, 1 year ago

please help me with this question as quickly as you can .

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Answers

Answered by RJRishabh
1
perimeter = 2πr /2
= 2 × 22/7 /2
= 15.7 + 10 cm
= 25.7 cm

moon1237879: I am sorry guys
mitu123456: that's fine
mitu123456: becauz of u i found my mistake
moon1237879: I forgot to add d
mitu123456: its ok
mitu123456: bbye
moon1237879: then the answer should be 25.71 cm
mitu123456: than what did i tell
mitu123456: At last i clearly told that answer is 25.71cm
RJRishabh: ok end the discussion
Answered by Onkar100
0
D= 10cm
2πr^2
2×22/7×10×10
4400/7

mitu123456: am i not correct
moon1237879: The perimeter of a circle is π × d where d is the diameter so half of that is 1/2 π × d. But If you are going to walk around a semicircleyou need to go half way around the circle and then across a diagonal to get back to where you started so the perimeter is 1/2 π × d + d.
moon1237879: originally copied from Google
mitu123456: there is a difference between multiplying Diameter and Multiplying radius
mitu123456: I can explain u the difference but not here. Mssg me in chat bot
mitu123456: chat box*
mitu123456: otherwise everyone would get disturbed
moon1237879: how can it be wrong!!
moon1237879: this formula is written everywhere
RJRishabh: go to mitu's chat box please
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