Constructions

Subject matter experts of JagranJosh have developed a chapter wise practice sets as per the relevancy of the chapter in the board exam. This practice set contains 10 questions with detailed explanations on “Chapter: Constructions” of Mathematics.

  • Q1.The sum of all the angles of a triangle is:

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  • Q2.The exterior angle of a triangle is equal to___:

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  • Q3.What would be the distance between the point of intersection of the two tangents and the centre of the circle, if a circle of radius 6 cm is constructed from which two tangents are arise which are inclined at an angle of 60 o .

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  • Q4.To divide a line segment AB in the ratio 3 : 7, first a ray AX is drawn so that angle BAX is an acute angle and then at equal distances points are marked on the ray AX such that the minimum number of these points is

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  • Q5.To divide a line segment AB in the ratio 4 : 5, a ray AX is drawn first such that angle BAX is an acute angle and then points A 1 ,  A 2 ,  A 3 ,…. are located at equal distances on the ray AX and the point B is joined to:

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  • Q6.To divide a line segment AB in the ratio 4 : 5, draw a ray AX such that angle BAX is an acute angle, then draw a ray BY parallel to AX and the points A 1 , A 2 , A 3 ,and  B 1 , B 2 , B 3 .... are located at equal distances n ray AX and BY, respectively. Then the points joined are:

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  • Q7.To construct a triangle similar to a given ΔABC with its sides 2/5 of the corresponding sides of ΔABC, first draw a ray BX such that angle CBX is an acute angle and X lies on the opposite side of A with respect to BC. Then locate points B 1 ,  B 2 ,  B 3 ,..... on BX at equal distances and next step is to join:

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