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Proportions
Test Description: This tests try to check your knowledge about proportions
Instructions: Answer all questions to get your test result.
1) Which is the triangle that keep the proportion respect to a 3, 4, 5 cm triangle?
A
A triangles with sides 9, 13, 15.5
B
A triangle with sides 2, 3, 4
C
A triangle with sides 1, 2, 3
D
A triangle with sides 2.5, 2, 1.5
2) Select the true sentence
A
A DIN-A4 paper has a golden proportion
B
An Identity card has a golden proportion
C
An Iphone 4 has not golden proportion
D
An iPhone 5 has a golden proportion
3) The dimensions of a DIN-A4 paper are 210 mm and 297 mm. What is its proportion?
A
1.4142
B
1.4191
C
1.4123
D
1.4139
4) Find the length of the segment BD
A
7.5
B
9
C
6.5
D
8
5) A DINA4 is 210 mm wide and the height of a DINA3 is 420 mm. Find the value of its width.
A
270
B
290
C
210*sqrt(2)
D
295
6) A scale model of the Titanic is 107.5' x 11.25'. Find the wide of the Titanic if its length was 882.75 feet.
A
93.4 feet wide
B
91.4 feet wide
C
92.4 feet wide
D
90.4 feet wide
7) What is the ratio of the height of the union (blue part) to the height of the flag?
A
1 and 6/13
B
1/2
C
6/13
D
7/13
8) Solve the proportion 8/b=4/7
A
b=13
B
b=12
C
b=15
D
b=14
9) Solve the proportion 2/5=x/20
A
x=7
B
x=8
C
x=7.5
D
x=10
10) A picture measuring 3.5 inches high by 5 inches wide is to be enlarged so that the width is now 9 inches. How tall is the picture now?
A
6''
B
7.1''
C
7.4''
D
6.3''
*select an answer for all questions
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