MCQ
In the adjoining figure, the value of $x$ is:
- A$18^\circ$
- ✓$15^\circ$
- C$12^\circ$
- D$10^\circ$
✓
Answer
Correct option: B.
$15^\circ$
$7x + 2x + 3x = 180^\circ$
$12x = 180^\circ$
$x = 15^\circ .$
$12x = 180^\circ$
$x = 15^\circ .$
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