Question 2 Answer & Explanation - SAT Algebra

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algebra

The angles of a triangle are $x$ , $2x$ , and $3x$ . What is the value of $x$ ?

Correct Answer: C

Choice Choice C is the correct answer.

Sum of Angles: $180^\circ$
Equation: $x + 2x + 3x = 180$
Combine: $6x = 180$
Divide by 6: $x = 30$
Verify: $30 + 60 + 90 = 180$ ✓

Choice Choice A is incorrect because calculation error.

Choice Choice D is incorrect because calculation error.

Choice Choice A is incorrect because calculation error.

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