Exploring the Sum of Interior Angles in Triangles

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

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

Tags

CCSS.8.G.A.5

If a triangle has angles of 60 degrees and 70 degrees, what is the measure of the third angle?

• 80 degrees

• 70 degrees

• 60 degrees

• 50 degrees

Tags

CCSS.8.G.A.5

What is the value of x if the angles of a triangle are x, 75 degrees, and 50 degrees?

• 55 degrees

• 50 degrees

• 60 degrees

• 45 degrees

Tags

CCSS.8.G.A.5

In a triangle, if one angle is 90 degrees and another is 45 degrees, what is the measure of the third angle?

• 30 degrees

• 60 degrees

• 90 degrees

• 45 degrees

Tags

CCSS.8.G.A.5

In a right triangle, if one angle is 90 degrees and another is 37 degrees, what is the measure of the third angle?

• 73 degrees

• 63 degrees

• 53 degrees

• 43 degrees

Tags

CCSS.8.G.A.5

If the angles of a triangle are x, x+37 degrees, and 90 degrees, what is the value of x?

• 7 degrees

• 37 degrees

• 17 degrees

• 27 degrees

Tags

CCSS.7.G.B.5

What is the measure of the angle marked with a question mark if the other two angles are 20 degrees and 130 degrees?

• 30 degrees

• 50 degrees

• 20 degrees

• 40 degrees

Tags

CCSS.8.G.A.5

If the angles of a triangle are x+59 degrees, 84 degrees, and x+51 degrees, what is the value of x?

• 27 degrees

• 17 degrees

• 7 degrees

• -7 degrees

Tags

CCSS.7.G.B.5

What is the measure of the angle if x is -7 degrees and the angle is x+59 degrees?

• 44 degrees

• 52 degrees

• 59 degrees

• 66 degrees

Tags

CCSS.7.G.B.5

What is the sum of the angles 44 degrees, 84 degrees, and 52 degrees?

• 190 degrees

• 160 degrees

• 170 degrees

• 180 degrees

Tags

CCSS.7.G.B.5