Triangles Quadrilaterals Symmetry

How many acute angles must an acute triangle have?

• 2

• 1

• 4

• 3

Which of the following are right triangles? (Hint: Select 2)

• A

• B

• C

• D

Which type of triangle has no equal side lengths?

• Isosceles Triangle

• Equilateral Triangle

• Scalene Triangle

• None of the above

Raven drew an equilateral triangle and named it ABC. If one side is 3 inches, what are the lengths of each of the other two sides of the triangle?

• 3 inches

• 4 inches

• 5 inches

• 6 inches

What is the name of this quadrilateral?

• Kite

• Square

• Trapezoid

• Box

What is the name of this quadrilateral?

• Square

• Parallelogram

• Trapezoid

• Rhombus

Which set of angles could form a triangle?

• Three right angles

• Three acute angles

• Two right angles, one acute angle

• One right angle, one obtuse angle, one acute angle

Write the letter of each shape in the correct place in the table to show the number of lines of symmetry.

a

b

c

d

B

D

A

C

Which triangle is an acute triangle?

• Option A

• Option B

• Option C

• Option D

The Venn diagram is being used to classify quadrilaterals. What should each ring be labeled? Write the label from the list below that best describes the category of each circle.​

b

c

Quadrilaterals

Polygons with Right Angles

Squares

Triangles