7.1.1 Ratio and Proportion - Worksheet
Example 1: Write a ratio expressing the slope of each line. 1. l 2. m
y
4
n
3. n
2
l
x
–4
–2
2
4
–2
m
–4
Example 2: 4. The ratio of the side lengths of a quadrilateral is 2:4:5:7, and its perimeter is 36 m. What is the length of the shortest side?
5. The ratio of the angle measures in a triangle is 5:12:19. What is the measure of the largest angle?
Example 3: Solve each proportion. 6. = x 2 40 16
= 6 58 29 t
= y 7 21 27
8.
7.
= x x 18 6 2
y 3
x
27
16
1
−
9.
10.
11.
=
=
y
x
1
4
−
Example 4: 12. Given that 2 a = 8 b , find the ratio of a to b in simplest form.
13. Given that 6 x = 27 y , find the ratio y : x in simplest form.
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