Step-by-step explanation:
1. Draw a circle of radius 4 cm, OA.
2. From O draw an angle of 120 degree, and pass a line, so that it forms OB.
3. now again from A draw an angle of 90 degree.
and extend till C.
4. Now from B draw another angle of 90 degree and extend, till it intersect with C.
5. Now angle C will be 60 degree.
120° + 90° + 90° + 60° = 180°
Thank you :))
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Answers & Comments
Step-by-step explanation:
1. Draw a circle of radius 4 cm, OA.
2. From O draw an angle of 120 degree, and pass a line, so that it forms OB.
3. now again from A draw an angle of 90 degree.
and extend till C.
4. Now from B draw another angle of 90 degree and extend, till it intersect with C.
5. Now angle C will be 60 degree.
120° + 90° + 90° + 60° = 180°
Thank you :))