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

Tags

CCSS.8.G.A.5

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

Tags

CCSS.8.G.A.5

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

Tags

CCSS.4.G.A.2

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

• Equilateral triangle

• Acute triangle

• Obtuse triangle

• Right triangle

Tags

CCSS.4.G.A.2

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

• Isosceles triangle

• Right triangle

• Obtuse triangle

• Acute triangle

Tags

CCSS.8.G.A.5

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

• 60 degrees

• 90 degrees

• 180 degrees

• 120 degrees

Tags

CCSS.4.G.A.2

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

• Scalene

• Isosceles

• Equilateral

• Acute

Tags

CCSS.7.G.B.5

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

Tags

CCSS.4.G.A.2

What type of triangle has two sides of equal length?

• Acute

• Isosceles

• Equilateral

• Scalene

Tags

CCSS.4.G.A.2

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

• Acute

• Obtuse

• Equilateral

• Right

Tags

CCSS.4.G.A.2