Set 1: Linear Equations (Intermediate)

Explanation

Answer: A

The angles of a triangle are in ratio 1:2:3. What is the smallest angle?

✓ Correct

Detailed Explanation

Choice A is correct. Choice Ahoice D is the correct answer. 1. Equation: $x + 2 x + 3 x = 180$ 2. Combine: $6x = 180$ 3. Divide by 6: $x = 30$ Choice Ahoice D is incorrect because this is the middle angle. Choice Ahoice C is incorrect because this is the largest angle. Choice Ahoice C is incorrect because it results from an error in the solution process.

Key Steps:

•

The correct answer is 30

Why others are wrong:

B: Choice B is incorrect and may result from a calculation error.

C: Choice C is incorrect and may result from a calculation error.

D: Choice D is incorrect and may result from a calculation error.

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