Proportions
Scale
100

Is this ratio proportional or not? 

4/9 = 8/16

Not proportional

100

If these two figures are similar, what is the measure of the missing angle?

113 degrees

200

4/x = 2/7

x = 14

200

What scale factor takes you from polygon R to S?

0.6

300

5/7 = x/56

x = 40

300

Solve for x.

x = 4.5 cm

400
FREE

YOU GET 400 BONUS POINTS!!

400

What is the value of k?

k = 1m

500

Charlie is making chocolate cake for his birthday party. He found a recipe that needs 2 cups of cocoa powder for every 3 cups of sugar. All his friends are coming, so he uses 6 cups of cocoa powder in his cake. How many cups of sugar should Charlie use?

9 cups of sugar

500

What is the scale factor?


3

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