Class 10 Maths Constructions Constructions

Constructions

We will study

  • How to divide a line segment in a given ratio
  • Construct a triangle similar to given triangle
  • Construct tangent to a circle

Construction 1 : To divide a line segment in a given ratio

Let’s divide a line AB in ration 2:3

Steps:

  • Draw any ray AX, making an acute angle with AB.
  • Locate 5 points A1 to A5 on AX at equal intervals.
  • Join BA5.
  • Through the point A2 , draw a line parallel to BA5 intersecting AB at point C
  • Then, AC : CB = 2 : 3.

 

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