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Clearnote
Q&A
Senior High
Mathematics
至急教えてほしいです🙏🏻🙏🏻
Mathematics
Senior High
over 5 yearsago
ami
至急教えてほしいです🙏🏻🙏🏻
頭 右の図の へABC において, AB三BC=4, B=45" のとき, へABC の面積を求めよ。
Answers
あああ
over 5 yearsago
求める面積をsとすると
s=4×4×sin45×1/2
=8×1/√2
=4√2
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