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Q. 10In the figure, AD || BC and P and Q are midpoints of AB and CD respectively. If AD = 10 cm, BC = 20 cm, then PQ = ………

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Q. 10In the figure, AD || BC and P and Q are midpoints of AB and CD respectively. If AD = 10 cm, BC = 20 cm, then PQ = ………

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Find the number of balls, each of radius 1 cm, which can be made from a solid sphere of lead of radius 8 cm.​


Q.1. The reciprocal of -5 is equal to :
a 1/3+2
b -1/3+2
c 2/3+2
d 3/3+2.

1 thought on “Q. 10In the figure, AD || BC and P and Q are midpoints of AB and CD respectively. If AD = 10 cm, BC = 20 cm, then PQ = ………”

  1. Answer: 20cm

    Step-by-step explanation:Draw lines parallel to AD and BD passing through C and D respectively cutting AB at E (say). AECD and EBCD would be parallelogram. <br> (ii) Draw lins throug D and C parallel to BC and AD. Cutting AB at M and N respectively such that ANCD and MBCD form parallelograms. <br> (iii) Triangles ADM and CBN form equilateral triangles, using these results find the required angle.

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