A design on the window of a building. The curved part XY is an arc of a circle. The rise of the segmental arc is 10cm, it’s span is 100cm

Question

A design on the window of a building. The curved part XY is an arc of a circle. The rise of the segmental arc is 10cm, it’s span is 100cm

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Thu Cúc 3 years 2021-08-25T17:44:13+00:00 1 Answers 105 views 0

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  1. huyenthanh
    0
    2021-08-25T17:46:12+00:00
    Reply

    add and subtract then add again

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