Triangle Properties

Fill in the blank below.
The sum of the interior angles of a triangle is equal to ________.

• 90 degrees
• 180 degrees
• Exterior angle
• Obtuse

Tags

CCSS.HSG.CO.C.10

Which of the following are not true about isosceles triangles. 

• Two equal sides
• Base angles congruent
• All angles are congruent
• The perpendicular bisector of the base goes thru the vertex angle.

Tags

CCSS.HSG.CO.C.10

Fill in the blank below.
The sum of the two remote interior angles of a triangle is equal to ________.

• 90 degrees
• 180 degrees
• Exterior angle
• Obtuse

Tags

CCSS.7.G.B.5

Which would be the best classification for the triangle shown?

• acute isosceles
• right scalene
• acute scalene
• obtuse scalene

Tags

CCSS.7.G.A.2

Which would be the best classification for the triangle shown?

• acute isosceles
• equiangular scalene
• equiangular isosceles
• equiangular equilateral

Tags

CCSS.HSG.CO.C.10

Which would be the best classification for the triangle shown?

• acute isosceles
• obtuse scalene
• obtuse isosceles
• acute scalene

Tags

CCSS.7.G.A.2

Which angle is the vertex angle?

• <C
• <A
• <B

Tags

CCSS.HSG.CO.C.10

Which segment is the base?

• Segment AB
• Segment BC
• Segment AC

Tags

CCSS.7.G.A.2

What is the value of x?

• 75
• 80
• 63
• 60

Tags

CCSS.7.G.B.5

Use the picture to answer the question.

• 30
• 60
• 15
• 120

Tags

CCSS.7.EE.B.4

CCSS.7.G.B.5