Adjacent Angles and Triangle Classification

What are adjacent angles?

• Angles that are parallel to each other

• Angles that are opposite each other

• Angles that form a straight line

• Angles that have a common side and a common vertex, but do not overlap

Tags

CCSS.7.G.B.5

If a triangle has one angle greater than 90 degrees, what type of triangle is it?

• Right triangle

• Equilateral triangle

• Obtuse triangle

• Acute triangle

Tags

CCSS.4.G.A.2

If a triangle has all angles less than 90 degrees, what type of triangle is it?

• Equilateral triangle

• Obtuse triangle

• Acute triangle

• Right triangle

Tags

CCSS.4.G.A.2

If a triangle has one angle equal to 90 degrees, what type of triangle is it?

• Scalene triangle

• Right-angled triangle

• Equilateral triangle

• Isosceles triangle

Tags

CCSS.4.G.A.2

What is the measure of angle A? ( Hint- this is a straight angle).

• 30^o

• 80^o

• 75^o

• 60^o

Tags

CCSS.7.G.B.5

What is the measure of angle A?

• 45^o

• 160^o

• 30^o

• 35^o

Tags

CCSS.7.G.B.5

Find the missing angle. Hint: Subtract when the interior angle is missing.

• 80

• 85

• 230

• 120

Tags

CCSS.7.G.B.5