Topic 15 & 16 Assessment

Classify the triangle by its sides and then by its angles.

• Scalene and right

• Isosceles and right

• Isosceles and acute

• Isosceles and obtuse

A triangle has three angles of 36°, 34°, and 110°. Classify the triangle.

• equilateral

• obtuse

• acute

• right

How many lines of symmetry does the symbol for state capital have?

• 4

• 3

• 2

• 5

Which of the following is a line of symmetry for the figure shown?

• A. AB

• B. CD

• C. EF

• D. None of the above

Aleks drew several lines. Draw a line that is perpendicular to AB.

• A line that intersects AB at a right angle (90 degrees), such as line CD in the diagram.

• A line that runs parallel to AB and never intersects it.

• A line that curves away from AB and does not touch it.

• A line that intersects AB at an acute angle (less than 90 degrees).

Kaia described a yardstick as a length of wood that starts at 0 and continues on to 36 inches. Which geometric term best describes Bree’s description of a yardstick?

• ray

• line segment

• line

• point

What is the measure of the angle shown below?

• 70°

• 45°

• 90°

• 120°

The measure of ∠EFG is 120°. The measure of ∠EFM is 60°. Which equation can you use to find the measure of ∠MFG?

• 120° = x - 60°

• 60° = 120° + x

• x = 120° + 60°

• x = 120° - 60°

∠EMG is 120°. The measure of ∠EMF is 60°. What is the measure of ∠FMG?

• 55°

• 65°

• 50°

• 60°

Anna drew ∠RST using identical pattern blocks. The measure of ∠RST is 150°. What is the measure of ∠RSQ?

• 30°

• 60°

• 90°

• 120°