Question 79(iii)

In the given figure P, Q and R are collinear points and TQ $⊥$ PR. Name four pairs of adjacent angles.

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Solution

Two angles are called adjacent angles, if they have a common vertex and a common arm but no common interior points.
$∴ ∠ S Q R, ∠ S Q T; ∠ T Q R, ∠ T Q P; ∠ S Q T, ∠ T Q P; ∠ P Q S, ∠ S Q R$ are pairs of adjacent angles.

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In the given figure, P, Q and R are collinear points and TQ $⊥$ PR. Name two pairs of supplementary angles,

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For the given figure statements p and q are given below:
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Question 79(iii) In the given figure P, Q and R are collinear points and TQ⊥ PR. Name four pairs of adjacent angles.

Two angles are called adjacent angles, if they have a common vertex and a common arm but no common interior points. ∴∠SQR, ∠SQT; ∠TQR, ∠TQP; ∠SQT, ∠TQP; ∠PQS, ∠SQR are pairs of adjacent angles.

Question 79(iii)

In the given figure P, Q and R are collinear points and TQ $⊥$ PR. Name four pairs of adjacent angles.

Two angles are called adjacent angles, if they have a common vertex and a common arm but no common interior points.
$∴ ∠ S Q R, ∠ S Q T; ∠ T Q R, ∠ T Q P; ∠ S Q T, ∠ T Q P; ∠ P Q S, ∠ S Q R$ are pairs of adjacent angles.