Ratios, Extended Ratios, Proportions, Similar Triangles

Are the following similar? Why or why not?

• Yes

• No, the corresponding angles are not equal.

• No, the ratios of the corresponding sides are not equal.

Tags

CCSS.HSG.SRT.A.2

Solve for x.

• 12

• 18

• 9

• 36

Tags

CCSS.HSG.SRT.A.2

Solve for x.

• 3
  -----
  10

• 10
  -----
  3

• 44x+24
  -----------
  (2x+4)(4)

• 30
  ------
  3.1

Tags

CCSS.HSA.REI.A.2

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

Tags

CCSS.7.RP.A.3

Solve for b 

• 8

• 17/12

• 4/3

• 1/8

Tags

CCSS.HSA.REI.A.2

Write a proportion to find how many points a student needs to score on a test in order to get the given percent:
The test is worth 12 points.
The test score is 75%.

• p/12=100/75

• p/100=12/75

• p/12=75/100

• p/75=12/100

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.

• c=15

• c=18

• c=21

• c=16

Tags

CCSS.7.RP.A.3

The measures of the angles in a triangle are in the extended ratio of 4:3:2.  What is the measure of the largest angle?

• 20 degrees

• 60 degrees

• 90 degrees

• 80 degrees

Tags

CCSS.8.G.A.5

Solve for x

• 1/2

• 25/8

• 11

• 53/4

Tags

CCSS.7.EE.B.4A