Lesson 78

Can a right triangle have two right angles? Why or why not?

• Yes, because it can have more than one right angle.

• No, because a triangle can only have one right angle.

• Yes, because all angles in a triangle can be right angles.

• No, because a triangle must have three equal angles.

Tags

CCSS.8.G.A.5

What is the name for a triangle that has at least two sides equal in length?

• Equilateral triangle

• Scalene triangle

• Isosceles triangle

• Right triangle

Tags

CCSS.4.G.A.2

If one side of an equilateral triangle is 4 inches long, then what is the perimeter of the triangle?

• 8 inches

• 12 inches

• 16 inches

• 10 inches

Tags

CCSS.3.MD.D.8

Jamaal bought apples at 5 cents per pound at the sale. He spent 95 cents. How many pounds of apples did Jamaal buy?

• 15 pounds

• 19 pounds

• 20 pounds

• 18 pounds

Tags

CCSS.4.NBT.B.6

Laura placed 243 paint cans on the shelf. Ninety-five of the cans fell during the earthquake. How many paint cans stayed on the shelf?

• 148 cans

• 150 cans

• 158 cans

• 148 cans

Tags

CCSS.3.OA.D.8

Pamela listened to half of a 90-minute tape. How many minutes of the tape did she hear?

• 45 minutes

• 50 minutes

• 40 minutes

• 35 minutes

Tags

CCSS.3.MD.A.1

One fourth of the guests gathered in the living room. What fraction of the guests did not gather in the living room?

• 1/2

• 3/4

• 1/4

• 2/3

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What percent of the guests did not gather in the living room?

• 25%

• 50%

• 75%

• 60%

If one side of an equilateral triangle is 3 centimeters long, what is its perimeter in centimeters?

• 9 cm

• 6 cm

• 12 cm

• 3 cm

Tags

CCSS.3.MD.D.8

Which of these arrows could be pointing to 2750?

• A

• B

• C

• None