Quick 8th grade assessment

What is the sum of the interior angles of a triangle?

___°

What is a four sided shape, where all four sides are congruent, called?

• Rectangle

• Trapezoid

• Rhombus

• Pentagon

Draw a right triangle

Two triangles are congruent if they have:

• The same size and shape

• The same area

• The same perimeter

• Congruent angles

If two shapes are similar they:

• Have proportional sides and equal angles

• Have the same area

• Have the same shape

• Are mirror images

If a right triangle has the legs 3cm and 4cm, what is its hypotenuse?

Mathematical Equivalence

ON

Which of the following statements is true about similar triangles?

• They have equal perimeters

• They have equal areas

• They have proportional sides

• They have the same base

What is the measure of angle b?

• 36^o
• 56^o
• 63^o
• 117^o

A diagram is shown. What is the sum of all the angles that are labeled?

• 282⁰

• 160⁰

• 262⁰

• 272⁰

What is the perimeter of a rectangle with length 6 cm and width 4 cm?

• 20

• 22

• 10

• 24