Triangle Warm Up - 7th grade

Find x:

• 56

• 51

• 151

• 141

Choose the list of angles from smallest to largest.

• Largest

• ∠R

• Smallest

• ∠S

• Middle

• ∠T

Name this image by its angles.

• acute

• obtuse

• right

• equiangular

Name this triangle by its sides.

• scalene

• isosceles

• equilateral

• obtuse

Name this triangle by its angle and sides.

• acute, scalene

• obtuse scalene

• right, scalene

• right, isosceles

Classify by angle and sides (2 answers)

• acute

• obtuse

• scalene

• isosceles

Identify the triangle by its sides and angles.

• Obtuse Equilateral

• Obtuse Isosceles

• Isosceles

• Acute Scalene

All interior angles of a triangle _____.

• Add to 180^o
• Are equal to each other
• Add to 360^o
• Are not related

What is the value of x?

• 40^o
• 65^o
• 180^o
• 55^o

Find the measure of angle b

• 75 degrees
• 20 degrees
• 30 degrees
• 55 degrees