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F.2 CH13 求積法 (二) Quiz

Authored by 蕭宇倫先生 Xiao Alan

Mathematics

6th - 8th Grade

CCSS covered

F.2 CH13 求積法 (二) Quiz
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23 questions

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1.

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1 min • 1 pt

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如圖所示,一條長4.8m的繩子可繞圓形樹幹一周。該樹幹的半徑是多少cm?(答案須準確至一位小數)

Tags

CCSS.7.G.B.4

2.

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1 min • 1 pt

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圖中所示為一個從大半圓移除小半圓後所得的圖形。求該圖形的周界。(答案須準確至三位有效數字)

Tags

CCSS.3.MD.D.8

3.

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1 min • 1 pt

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Tags

CCSS.7.G.B.4

4.

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1 min • 1 pt

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在圖中,一個圓形泳池外圍有一條均勻闊度是2m的通道,而外圓的直徑是20m。求泳池的面積。(答案須準確至三位有效數字)

5.

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1 min • 1 pt

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在圖中,一個圓形泳池外圍有一條均勻闊度是2m的通道,而外圓的直徑是20m。求通道的面積。(答案須準確至三位有效數字)

6.

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1 min • 1 pt

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圖中所示的是一個運動場,它由長方形ABCD與兩個半圓所組成,其中AB=84m。永棋從B沿直線走至D的距離是116m。求該運動場的面積。(答案須準確至三位有效數字)

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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圖中所示的是一個運動場,它由長方形ABCD與兩個半圓所組成,其中AB=84m。永棋從B沿直線走至D的距離是116m。永棋再沿棕色線從D走到A。求永棋所走的總距離。(答案須準確至三位有效數字)

Tags

CCSS.3.MD.D.8

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