Mathematics, 06.02.2021 21:40 cheriebg

Paper rectangle ABCD is folded in such a way that the fold passes through point B, and so A coincides with point H where H ∈ CD. BK is the folding line where K ∈ AD. mסBKD = 120°. If
BK = 28 cm, find BC.

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Paper rectangle ABCD is folded in such a way that the fold passes through point B, and so A coincides with point H where H ∈ CD. BK is the folding line where K ∈ AD. mסBKD = 120°. If BK = 28 cm, find BC.

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Another question on Mathematics

Paper rectangle ABCD is folded in such a way that the fold passes through point B, and so A coincides with point H where H ∈ CD. BK is the folding line where K ∈ AD. mסBKD = 120°. If
BK = 28 cm, find BC.