WorksheetsRatio, Proportion, & Similarity Practice
Total questions: 25
Worksheet time: 40mins
There are 21 boys and 30 girls in the school band. Find the ratio for number of boys in the band to the total number of students in the band.
21 : 51
21 : 30
51 : 21
30 : 21
In a certain apartment building, the ratio of
tenants to cars is 3:5. If there are 30 tenants, how many cars are there?
(a)
In an animal shelter, the ratio of dogs to cats
is 5 to 3. There are 25 dogs. Write and
solve a proportion to find the number c
of cats.
(a)
If Justin can type 408 words in 4 minutes, how many words can he type per minute?
(a)
Solve for a. Round to the nearest tenth.
(a)
Solve for x. Round to the nearest tenth.
(a)
Solve the equation for x. Round to the nearest hundredth.
(a)
Look at the two triangle in the picture. The two triangles are similar. Select the correct similarity statement.
ΔCBA∼ΔPQR
ΔABC∼ΔQRP
ΔABC∼ΔPQR
ΔBCA∼ΔRQP
Use the picture to find the missing side length. Select your answer below.
A
B
C
D
Use the picture to find the value of x.
14 ft
28 ft
10 ft
18 ft
ΔPRQ ∼ ΔDEF
What is DE ?
(a)
These figures are similar. Solve for x.
(a)
The polygons are similar. Find the value of x.
(a)
Find the scale factor.
4:1
3:1
2:1
3:2
7:3
Are the triangles similar? If so, what similarity shortcut is used?
Similar. SAS
Similar. AA
Similar. SSS
Not Similar
To measure the distance across a pond, a surveyor locates points A, B, C, D, and E as shown. What is AB to the nearest meter?
(a)
Determine if the triangles are similar. If similar, select the correct theorem.
SSS ~
SAS ~
AA ~
Not similar
Determine if the triangles are similar. If similar, select the correct theorem.
SSS ~
SAS ~
AA ~
Not ~
Determine if the triangles are similar. If similar, state the theorem.
SSS ~
SAS ~
AA ~
Not ~
Determine if the triangles are similar. If similar, state the theorem.
SSS ~
SAS ~
AA ~
Not ~
Determine if the triangles are similar. If similar, state the theorem.
SSS ~
SAS ~
AA ~
Not ~
