Proportions
Is this ratio proportional or not?
4/9 = 8/16
Not proportional
If these two figures are similar, what is the measure of the missing angle?
113 degrees
4/x = 2/7
x = 14
What scale factor takes you from polygon R to S?
0.6
5/7 = x/56
x = 40
Solve for x.
x = 4.5 cm
YOU GET 400 BONUS POINTS!!
What is the value of k?
k = 1m
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
What is the scale factor?
3