Question 1 (i) Construct the following quadrilaterals. Quadrilateral MORE MO = 6 cm, OR = 4.5 cm ∠M = 60° ∠O = 105° ∠R = 105°
Here, we are given two adjacent sides, and 3 angles
No diagonals are given
Let’s draw a rough sketch
Let’s construct it
Steps of construction
1. Draw side MO of length 6 cm
2. Now, we draw 60° from point M
Check Construction 11.1 of Chapter 11 Class 9 NCERT to see how to draw 60°
3. We draw 105° from point O
Check Ex 11.1, 4 (ii) of Chapter 11 Class 9 NCERT to see how to draw 105°
Taking 4.5 cm as radius,
and O as center, draw an arc.
Where the arc intersects the line is point R
5. We draw 105° from point R
6. Mark point E where the lines from point M and point R intersect
Label the sides
∴ MORE 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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