9th Class Mathematics Constructions Question Bank Constructions

  • question_answer
    Following are the steps of construction of a \[\Delta ABC\]in which AB = 5 cm, \[\angle A={{30}^{o}}\] and AC - BC = 2.5 cm. Arrange them and select the CORRECT option.
    (i) Draw \[\angle BAX={{30}^{o}}\]
    (ii) Draw the perpendicular bisector of BD which cuts AX at C.
    (iii) Draw AB = 5 cm
    (iv) Join BD
    (v)  Join BC to obtain the required triangle ABC
    (vi) From ray AX, cut off line segment AD = AC-BC= 2.5 cm

    A) (a\[(i)\to (iii)\to (iv)\to (v)\to (vi)\to (ii)\]

    B) \[(iii)\to (i)\to (vi)\to (iv)\to (ii)\to (v)\]

    C) \[(iii)\to (i)\to (ii)\to (v)\to (iv)\to (vi)\]

    D) \[(iii)\to (ii)\to (iv)\to (i)\to (vi)\to (v)\] 

    Correct Answer: B


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