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Lines and Angles — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSLines and Angles1 Mark
MCQ
In Fig. $\angle\text{AOC}$ and $\angle\text{BOC}$ form a pair of:
  • A
    Vertically opposite angles.
  • B
    Complementary angles.
  • C
    Alternate interior angles.
  • ✓
    Supplementary angles.
✓

Answer

Correct option: D.
Supplementary angles.
Since, $\angle\text{AOC}$ and $\angle\text{BOC}$ are on the same line $\text{AOB}$ and forming linear pair.
$\therefore \angle \text{AOC}+\angle\text{BOC}=180^\circ$
Hence, $\angle\text{AOC}$ and $\angle \text{AOC}$ are supplementary angles.

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