Unit 4 Test Review - Ms. Q

If m∠1 = 28° and m∠2 = 67°, find m∠3.

• m∠3 = 85°

• m∠3 = 95°

• m∠3 = 75°

• m∠3 = 105°

If m∠3 = 88° and m∠2 = 47°, find m∠1.

• m∠1 = 45°

• m∠1 = 43°

• m∠1 = 41°

• m∠1 = 47°

Use the figure to the right to solve problems #1-5. If m∠1 = 9x, m∠2 = 2x, and m∠3 = 7x, find x and the values of m∠1, m∠2, and m∠3. x = ________ m∠1 = ________ m∠2 = ________ m∠3 = ________

• x = 10, m∠1 = 90, m∠2 = 20, m∠3 = 70

• x = 5, m∠1 = 45, m∠2 = 10, m∠3 = 35

• x = 8, m∠1 = 72, m∠2 = 16, m∠3 = 56

• x = 6, m∠1 = 54, m∠2 = 12, m∠3 = 42

Use the figure to the right to solve problems #1-5. If m∠1 = 72° and m∠3 = 25°, find m∠5. m∠5 = ________

• m∠5 = 83°

• m∠5 = 97°

• m∠5 = 47°

• m∠5 = 63°

Use the figure to the right to solve problems #1-5. If m∠4 = 103° and m∠3 = 18°, find all the missing angles. m∠1 = ________ m∠2 = ________ m∠5 = ________ m∠6 = ________

• m∠1 = 77° m∠2 = 103° m∠5 = 18° m∠6 = 77°

• m∠1 = 77° m∠2 = 18° m∠5 = 103° m∠6 = 77°

• m∠1 = 18° m∠2 = 77° m∠5 = 103° m∠6 = 18°

• m∠1 = 103° m∠2 = 77° m∠5 = 18° m∠6 = 103°

The interior angles of a triangle add to ________.

• 180 degrees

• 90 degrees

• 360 degrees

• 270 degrees

List the properties of an equilateral triangle.

• All sides are equal, all angles are 60 degrees

• Two sides are equal, one angle is 90 degrees

• All sides are different, all angles are different

• One side is equal to the sum of the other two sides

Which of the following are properties of an isosceles triangle?

• Two sides are equal in length

• All sides are equal in length

• All angles are equal

• No sides are equal

Find the value of x in the triangle with angles 50°, 50°, side 19, and side 3x - 2. (Diagram: Triangle with angles 50°, 50°, and side 3x - 2)

• x = 2

• x = 3

• x = 5

• x = 7

Find the value of x in the triangle with angles 2x°, 2x°, and 76°. (Diagram: Triangle with angles 2x°, 2x°, and 76°)

• 26°

• 45°

• 38°

• 40°