Exploring Adding and Subtracting Rational Expressions

This video tutorial covers the basics of triangles, including their properties, the angle sum theorem, and how to find missing angles. It also delves into more complex problems involving algebra and classifies triangles by their angles and sides. The tutorial provides examples and exercises to reinforce understanding.

What is the sum of the angles in any triangle?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

If two angles in a triangle are 65 and 50 degrees, what is the measure of the third angle?

• 85 degrees

• 75 degrees

• 65 degrees

• 95 degrees

In a triangle, if one angle is 90 degrees and another is 30 degrees, what is the third angle?

• 120 degrees

• 60 degrees

• 90 degrees

• 30 degrees

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

• Equilateral triangle

• Acute triangle

• Obtuse triangle

• Right triangle

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

• Isosceles triangle

• Right triangle

• Obtuse triangle

• Acute triangle

What is the measure of an angle in an equilateral triangle?

• 60 degrees

• 90 degrees

• 180 degrees

• 120 degrees

If a triangle has sides of 3 different lengths, what type of triangle is it?

• Scalene

• Isosceles

• Equilateral

• Acute

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

• 45 degrees

• 55 degrees

• 135 degrees

• 90 degrees

What type of triangle has two sides of equal length?

• Acute

• Isosceles

• Equilateral

• Scalene

If a triangle has an angle of 120 degrees, what type of triangle is it?

• Acute

• Obtuse

• Equilateral

• Right