B。解析:文章中明确提到“The perimeter of a rectangle is the total length of all its sides. To find the perimeter of a rectangle, we add up the lengths of all four sides. Since opposite sides of a rectangle are equal, the perimeter can be calculated as follows: P = 2(length + width...
The formula for the perimeter of a rectangle is P = 2(l + w). What does 'l' stand for
结果1 题目 What is the perimeter of a rectangle whose length is three times its width and whose area is 12 square centimeters? A. 18 centimeters B. 16 centimeters C. 15 centimeters D. 8 centimeters E. 4 centimeters 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
A rectangle has a length of 12 meters and a width of 8 meters. What is the perimeter of the rectangle? A. 40 meters B. 36 meters C. 32 meters D. 28 meters 相关知识点: 试题来源: 解析 A。长方形周长公式是 P=2×(l+w)(P 是周长,l 是长,w 是宽),已知长 l=12 米,宽 w=8 ...
What is the perimeter of the rectangle? A. 13 cm B. 26 cm C. 40 cm D. 18 cm 相关知识点: 试题来源: 解析 B。本题考查长方形周长的计算。长方形周长 = 2×(长 + 宽),即 2×(8 + 5) = 26 cm。选项 A 是长加宽,错误。选项 C 是长乘宽,错误。选项 D 计算错误。反馈 收藏 ...
The length of a rectangle is 8 cm and the width is 6 cm. What is the perimeter of the rectangle? A. 14 cm B. 28 cm C. 48 cm D. 64 cm 相关知识点: 试题来源: 解析 B。矩形周长等于(长+宽)×2,即(8+6)×2 = 28 厘米。选项 A 是长加宽;选项 C 和 D 计算错误。
The length of a rectangle is 8 cm and the width is 3 cm. What is the perimeter of the rectangle? A. 11 cm B. 16 cm C. 22 cm D. 24 cm 相关知识点: 试题来源: 解析 C。长方形周长 = (长 + 宽)× 2,即 (8 + 3)× 2 = 22 厘米。A 选项 11 错误;B 选项 16 错误;D 选...
What is the perimeter of the rectangle? A. 16 meters B. 15 meters C. 14 meters D. 13 meters 相关知识点: 试题来源: 解析 A。本题考查长方形周长的计算。perimeter 是周长的意思,长方形周长等于长加宽的和乘以 2,即(5+3)×2=16 meters。 反馈 收藏 ...
There is a rectangle. The length is 8 cm and the width is 4 cm. What is the perimeter of the rectangle? A. 12 cm B. 24 cm C. 32 cm D. 16 cm 相关知识点: 试题来源: 解析 B。本题考查长方形的周长计算。长方形周长 = (长 + 宽)× 2,即(8 + 4)× 2 = 24(cm)。选项 A ...
There is a rectangle. The length is 8 cm and the width is 6 cm. What is the perimeter of the rectangle? A. 28 cm B. 24 cm C. 48 cm D. 14 cm 相关知识点: 试题来源: 解析 A。本题考查长方形的周长计算。长方形周长等于(长+宽)×2,即(8+6)×2=28(厘米)。选项 B24 厘米错误,...