S3_面積和體積2_棱錐表面面積
Quiz
•
Mathematics
•
7th - 10th Grade
•
Hard
Jason Lam
Used 5+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
圖中是一個直立棱錐的摺紙圖樣,它的底是一個正方形。該棱錐的總表面面積是多少?
240 cm2
340 cm2
400 cm2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
一直立角錐體的高是 21 cm,底面積是1234cm2,該角錐體的體積是
A. 6478.5cm3。
B. 8638cm3。
C. 12957cm3。
D. 25914cm3。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一個直立角錐體的底是一個正方形。若該角錐體的總表面面積是420cm2,一個側面的面
積是56cm2,求該角錐體的底面積。
A. 84cm2
B. 105cm2
C. 196cm2
D. 364cm2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
一個直立棱錐的底是一個正方形。若底面積為100 cm2,而棱錐的各斜棱的長度是13 cm,求棱錐的總表面面積,答案須準確至二位有效數字。
A. 240 cm2。
B. 340 cm2。
C. 360 cm2。
D. 580 cm2。
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
圖中直立角錐體 VABCD 的底為長方形,其中CD = 12cm。若直立角錐體 VABCD 的總表面面積是864cm2,而VP = 17cm及VQ = 10cm,求 BC 的長度。
A. 12 cm
B. 24 cm
C. 30 cm
D. 51 cm
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