2. 外语
  3. P1 is a polygon with 6 sides. P2 is a polygon with twice the number of sides of P1. Quantity A: Twice the sum of the measure of

P1 is a polygon with 6 sides. P2 is a polygon with twice the number of sides of P1. Quantity A: Twice the sum of the measure of

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问题 P1 is a polygon with 6 sides. P2 is a polygon with twice the number of sides of P1.
Quantity A: Twice the sum of the measure of the interior angles P1
Quantity B: The sum of the measure of the interior angles of P2
选项 A、Quantity A is greater.
B、Quantity B is greater.
C、The two quantities are equal.
D、The relationship cannot be determined from the information given.
答案B
解析 Quantity A=六边形内角和的二倍=2×180°×(6-2)=180°×8=1440°，
Quantity B=十二边形的内角和=180°×(12-2)=180°×10=1800°。所以选B。
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