8th Standard English Medium Maths Subject Term 3 Geometry Book Back 3 Mark Questions with Solution

8th Standard

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Maths

Time : 01:00:00 Hrs
Total Marks : 15

    3 Marks

    5 x 3 = 15
  1. In the figure, ABC is a triangle and AM is one of its medians. If BM = 3.5 cm, find the length of the side BC.

  2. In the figure, ABC is a triangle and CD is one of its medians.
    If AD = 9x − 13 and BD = 4x + 2, find the length of the side AB.

  3. In the figure G is the centroid of the triangle XYZ.
    (i) If GL = 2.5 cm, find the length XL.
    (ii) If YM = 9.3 cm, find the length GM.

  4. XYZ is a triangle and G is its centroid. If GP = 2.5 cm, GY = 6 cm and ZR = 12 cm, find XP, QY and GR.

  5. In ΔABC, S is the circumcentre, BC = 72 cm and DS = 15 cm. Find the radius of its circumcircle.

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