Question
The angles of a triangle are in the ratio 2 : 3 : 7. The measure of the smallest angle is :
Answer: Option A
According to question,
Let angles are 2x, 3x and 7x
∠A + ∠B + ∠C = 180°
2x + 3x + 7x = 180°
12x = 180°
x = 15°
∴ Smallest angle is = 2 × 15° = 30°
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According to question,
Let angles are 2x, 3x and 7x
∠A + ∠B + ∠C = 180°
2x + 3x + 7x = 180°
12x = 180°
x = 15°
∴ Smallest angle is = 2 × 15° = 30°
Was this answer helpful ?
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