Digital ACT Math Practice Question #1432
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
(n - 2) * 180 = 7 * 180 = 1260°.
Sum = (n - 2) * 180° = (9 - 2) * 180° = 7 * 180° = 1260°....
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