Lesson 65 - Application Using Similar Triangles

Twelve of the 28 students are boys. If the teacher called a student at random, what is the probability that a girl will be called?

• 3/7

• 4/7

• 12%

• 16%

Tags

CCSS.7.SP.C.7B

The ratio of cars to trucks in the lot was 5 to 2. If there were 70 cars and trucks altogether, how many were trucks?

• 10

• 50

• 20

• None of the options were correct

Look at the triangle. AB = 3.5 cm, BD = 7 cm and AC = 2.4 cm.

What is the length of AE?

• 7.2 cm

• 4.8 cm

• 1.2 cm

• None of the options were correct

Tags

CCSS.HSG.SRT.B.4

Look at the triangle. AB = 3.5 cm, BD = 7 cm, and AC = 2.4 cm.

What is the scale factor of triangle ABC to the triangle ADE?

• 3

• 2

• 1/2

• 1/3

The palm tree's shadow is about 84 m long, while the shadow of the girl is about 12 m long. If the height of the woman is 2 m, what is the height of the palm tree?

• 3.5 m

• 7 m

• 9 m

• 14 m

Tags

CCSS.HSG.SRT.B.5

A recipe calls for 5 cans of stew and 2 cans of chili. To feed the group it

will take 210 cans total. How many of the 210 cans should be chili?

• 60 cans

• 150 cans

• 84 cans

• 525 cans

Tags

CCSS.4.MD.A.2

The beagle buried 5 big bones and 3 small ones. For how long must the

beagle search for the bones if it takes 4 minutes to find each big bone

and 10 minutes to find each small one?

• 22 minutes

• 1 hour 2 minutes

• 50 minutes

• 1 hour

Tags

CCSS.4.MD.A.2

Lines a and b are parallel. Find m∠x.

• 60-degree

• 120-degree

• 180-degree

• None of the options were correct

A rectangular prism has a 10 mm square base and a height of 20 mm.

What is its surface area?

• 2000-cubic milimeters

• 1000-cubic milimeters

• 1000-cubic meters

• 2000-cubic meters

Tags

CCSS.7.G.B.6

A rectangular prism has a 10 mm square base and a height of 20 mm.
A rectangular pyramid has a 10 mm square base and a height of 20 mm.

Which has the greater volume?

• The rectangular prism

• The rectangular pyramid

• Both of them have the same volume.

Tags

CCSS.7.G.B.6