11MAG Scale Factor Quiz
Authored by Leanne WEST
Mathematics
11th Grade
CCSS covered
Used 2+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the ratio of the areas of two similar triangles if the ratio of their corresponding sides is 2:3?
A) 1:9
B) 4:9
C) 2:3
D) 1:4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which pair of rectangles are similar?
A) Two rectangles 10 cm by 2 cm and 20 cm by 8 cm
B) Two rectangles 6 cm by 9 cm and 12 cm by 18 cm
C) Two rectangles 5 cm by 8 cm and 15 cm by 30 cm
D) Two rectangles 7 cm by 14 cm and 21 cm by 40 cm
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which pair of triangles are similar?
A) Two triangles, one with sides measuring 2 cm, 3 cm and 5 cm and the other 4 cm, 6 cm and 8 cm.
B) Two triangles, one with sides measuring 3 cm, 5 cm and 6 cm and the other 8 cm, 10 cm and 12 cm.
C) Two triangles, one with sides measuring 3 cm, 4 cm and 5 cm and the other 6 cm, 8 cm and 10 cm.
D) Two triangles, one with sides measuring 2 cm, 3 cm and 3.5 cm and the other 5 cm, 6 cm and 7 cm.
Tags
CCSS.HSG.SRT.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The two equilateral triangles shown are similar. The side lengths are 6 cm and 18 cm respectively. Calculate the area of the larger triangle if the area of the smaller triangle is 4 cm².
18 cm²
12 cm²
8 cm²
36 cm²
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a poster is 10 cm by 5 cm and it is enlarged and then framed such that the dimensions are doubled, what will be the area of the new poster?
40 cm²
100 cm²
200 cm²
50 cm²
Tags
CCSS.7.G.A.1
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
What is the scale factor if a map has been reduced from 40 cm by 20 cm to 16 cm by 8 cm? Give your answer correct to two decimal places.
Tags
CCSS.7.G.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two spherical balloons are similar, with the radius of the larger balloon being 2 times the radius of the smaller balloon. How many times larger is the volume of the larger balloon than the volume of the smaller balloon?
2 times
4 times
6 times
8 times
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