
相似三角形的挑戰
Quiz
•
Others
•
9th Grade
•
Practice Problem
•
Hard
富森 郭
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在兩個相似三角形中,若一個三角形的邊長為3cm,另一個三角形的相似比為2:1,則另一個三角形的對應邊長為多少?
3.5cm
1cm
1.5cm
2cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知三角形ABC和三角形DEF相似,AB:DE=3:5,若AB=9,則DE的長度是多少?
10
18
15
12
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在相似三角形中,若一個三角形的面積為36平方公分,且相似比為1:4,則另一個三角形的面積為多少平方公分?
72平方公分
144平方公分
576平方公分
36平方公分
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若三角形XYZ和三角形PQR相似,且YZ=8,QR=12,求相似比XY:PQ。
2:3
4:5
1:2
3:4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在一個相似三角形的問題中,若已知兩個三角形的相似比為3:7,且一個三角形的周長為30cm,則另一個三角形的周長為多少?
40cm
50cm
60cm
70cm
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