以下哪項是正確的?

P6_第三次考試_溫習

Quiz
•
Mathematics
•
7th Grade
•
Medium

振宇 陳
Used 2+ times
FREE Resource
27 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
圓周 = 半徑 × π
圓周 = 直徑 × 2 × π
圓的面積 = 半徑 × 半徑 × π
圓的面積 = 直徑 × 直徑 × π
2.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
計算圖中圓形的面積 (取 π = 3.14)
254.34 m2
28.26 m2
56.52 m2
1017.36 m2
3.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
176 m
352 m
176 m2
352 m2
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
2464 m2
9856 m
2464 m
9856 m2
5.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
圖中有2塊圓形膠片,
大圓形膠片的半徑比小圓形膠片的半徑長6 cm,
小圓形膠片的面積是多少?
(取 π = 3.14)
2826 cm2
4069 cm2
5539 cm2
188 cm2
6.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
計算圖中陰影部分的面積。(黑點是圓心,取 π = 3.14。)
14.13 cm2
113.04 cm2
56.52 cm2
28.26 cm2
7.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
計算圖中陰影部分的周界。(黑點是圓心,取 π = 3.14。)
15.42 cm
18.84 cm
9.42 cm
24.84 cm
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