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Clearnote
Q&A
Junior High
Mathematics
写真の(3)を教えてください🙇🏽💦
Mathematics
Junior High
over 7 yearsago
ゆ ず . 低浮上
写真の(3)を教えてください🙇🏽💦
Answers
ねけう
over 7 yearsago
まず、両辺をπrで割ります
S/πr=r+a
rを以降します
-r+S/πr=a
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