Ex 4.2, 1 (i) Construct the following quadrilaterals. Quadrilateral LIFT LI = 4 cm IF = 3 cm TL = 2.5 cm LF = 4.5 cm IT = 4 cm
First we draw a rough sketch
Let’s construct it
Steps of construction
1. Draw diagonal LF of length 4.5 cm
Steps of construction
1. Draw diagonal LF of length 4.5 cm
3. Taking 3 cm as radius,
and F as center,
draw an arc on top of LF
4. Mark point I as the point where two arcs intersect at top of LF
5. Now, we will mark point T
Taking 2.5 cm as radius,
and L as center,
draw an arc on bottom of LF
6. Taking 4 cm as radius,
and I as center,
draw an arc on bottom of LF
7. Mark point T as the point where two arcs intersect at bottom of LF
Join LI, IF, FT, LT, IT
Label the sides
∴ LIFT is the required quadrilateral

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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