Angles and Triangles Review (7th CCSS)

Determine which equation below can be solved to find the value of ∠A.

• A. ∠A + 45 + 63 = 180

• B. ∠A + 90 + 63 = 180

• C. ∠A + 45 + 63 = 90

• D. ∠A + 90 + 63 = 360

Triangle QRS is shown below. Use the information given to determine the measure of "∠ "R.

Using the triangle below, set up and solve an equation in order to find the value of x.

Find the measure of the largest angle in the diagram below.

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The measure of ∠1 is 95º. Which of the following is NOT a true statement about the angles shown below?

• A. The measure of ∠3 is 95º.

• B. The measure of ∠4 is 105º.

• C. The measure of ∠2 is 85º.

• D. ∠2 and ∠ 4 are vertical angles.

Using the diagram below, determine which statement is correct.

• A. The measure of ∠ABC is 77º.

• B. The measure of ∠BCA is obtuse.

• C. The measure of ∠CAB is 23º.

• D. The value of x is 29.

In this figure, ST is a line.  

What is the value of x?

The angles in this diagram are complementary.

What is the value of x?

Square RSTU is inside trapezoid RSVU. What is the measure, in degrees, of angle VSR?