Mastering Adding and Subtracting Rational Expressions

What is the sum of angles in any triangle?

• 180 degrees

• 90 degrees

• 360 degrees

• 270 degrees

If two angles in a triangle are 79 and 82 degrees, what is the third angle?

• 19 degrees

• 21 degrees

• 29 degrees

• 9 degrees

In a right triangle, if one angle is 53 degrees, what is the other non-right angle?

• 57 degrees

• 27 degrees

• 37 degrees

• 47 degrees

Solve for x: 5x + 1 + 14x + 4x - 5 = 180.

• x = 8

• x = 7

• x = 9

• x = 6

What type of triangle has all angles less than 90 degrees?

• Right

• Scalene

• Obtuse

• Acute

What type of triangle has one angle greater than 90 degrees?

• Acute

• Obtuse

• Right

• Equilateral

A triangle with no congruent sides is called?

• Equilateral

• Scalene

• Acute

• Isosceles

Which triangle has two congruent sides?

• Equilateral

• Scalene

• Obtuse

• Isosceles

What is the measure of the third angle in a triangle if two angles measure 22 and 41 degrees?

• 137 degrees

• 127 degrees

• 107 degrees

• 117 degrees

What classification by sides does a triangle have if all three sides are the same length?

• Acute

• Isosceles

• Equilateral

• Scalene