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A line segment AP stands at point P of a straight line BC such that ∠APB = 5x – 40° and ∠APC = .x+ 10°; find the value of x and angle APB. - Mathematics

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Question

Identify the pair of angles in the figure given below :
adjacent angles, vertically opposite angles, interior alternate angles, corresponding angles or exterior alternate angles.

  1. ∠2 and ∠7
  2. ∠4 and ∠8
  3. ∠1 and ∠8
  4. ∠1 and ∠5
  5. ∠4 and ∠7

Answer in Brief
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Solution

  1. Alternate interior angles
  2. Corresponding angles
  3. Alternate exterior angles
  4. Corresponding angles
  5. Allied angles
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Chapter 25: Properties of Angles and Lines (Including Parallel Lines) - Exercise 25 (B)

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Selina Mathematics [English] Class 6
Chapter 25 Properties of Angles and Lines (Including Parallel Lines)
Exercise 25 (B) | Q 1.2
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