Four points, A, B, C, D, yield six lines: AB, AC, AD, BC, BD, CD. These lines form twelve angles: ∠ABC, ∠ABD, ∠ACD, ∠BCD, ∠CAB, ∠DAB, ∠BCA, ∠CBA, ∠DAC, ∠CDB, ∠ADB, and ∠BDA.
Class 6 NCERT Ganita Prakash Chapter 2 Lines and Angles
class 6 Mathematics Textbook Chapter 2 question answer
When four non-collinear points A, B, C, and D are marked, six unique lines can be drawn: AB, AC, AD, BC, BD, and CD. These lines create twelve angles, each involving different combinations of vertices and arms. Examples include ∠ABC, ∠BCD, ∠ACD, and ∠DAB. Marking these angles with a curve ensures clarity, highlighting the relationships between lines and angles in the geometric arrangement.
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