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Mathematics

8th

grade

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2下 4-2 平行四邊形

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  • 1. Multiple Choice
    1 minute
    1 pt

    平行四邊形ABCD中,∠A=(3x+5)°,∠B=(10x-20)°,則∠D=?

    50°

    60°

    120°

    130°

  • 2. Multiple Choice
    1 minute
    1 pt
    Image

    如圖,在直角坐標平面上,ABCD為平行四邊形,已知A(1 , 6),B(a , b),C(8 , -6),D(7 , 6),則坐標(a , b)為何?

    (2 , -6)

    (-6 , 2)

    (-2 , 6)

    (6 , -2)

  • 3. Multiple Choice
    1 minute
    1 pt

    下列哪一組角度可能是平行四邊形的四個內角度數?

    50°,130°,60°,120°

    50°,130°,30°,150°

    60°,120°,120°,60°

    60°,80°,120°,100°

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