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Quantity A: The area of a triangle with a perimeter of 8Quantity B: 3A、Quantity
Quantity A: The area of a triangle with a perimeter of 8Quantity B: 3A、Quantity
游客
2025-02-23
9
管理
问题
Quantity A: The area of a triangle with a perimeter of 8
Quantity B: 3
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
D
解析
(1)根据周长一定,边数一定,正多边形面积最大。正三角形边长8/3,高为
,面积=
(2)当三条边无限接近成一条直线时,面积最小,接近0<3。故答案为D。
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