7.1 Review Worksheet
7.1.1 Ratio and Proportion Write a ratio expressing the slope of each line. 1. l 2. m
3. n
n
m
4. The ratio of the side lengths of an isosceles triangle is 4:4:7, and its perimeter is 52.5 cm. What is the length of the base of the triangle?
5. The ratio of the angle measures in a parallelogram is 2:3:2:3. What is the measure of each angle?
Solve each proportion. 6. = y 6 8 9
x 14
z 12
50 35
3 8
7.
8.
=
=
y 5 16
+ 2 2 3 m
11. + x
+ 12 2 2 m
125
2
− 5
9.
10.
=
=
=
y
x
12
2
12. Given that 5 y = 25 x, find the ratio of x to y in simplest form.
13. Given that 35 b = 21 c, find the ratio b:c in simplest form.
14. Madurodam is a park in the Netherlands that contains a complete Dutch city built entirely of miniature models. One of the models of a windmill is 1.2 m tall and 0.8 m wide. The width of the actual windmill is 20 m. What is its height?
25
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