Triangles: Angle Sum, Exterior Angle, Kinds

Find <S

• A

• B

• C

• D

Tags

CCSS.8.G.A.5

Solve for x.

• 6
• -10
• 7
• -9

Tags

CCSS.HSG.SRT.C.8

Set up an equation to find x.

• 42 + 8x = 2 + 12x

• 2 + 12x + 42 = 8x

• 42 + 8x + 2 + 12x = 180

• 42 + 8x = 180

Tags

CCSS.8.G.A.5

What is the value of x?

• 51
• 49
• 78

Tags

CCSS.8.G.A.5

What is the measure of angle 2?

• 50
• 65
• 115

Tags

CCSS.8.G.A.5

Solve for x.

• 7
• 9
• 10
• -11

Tags

CCSS.8.G.A.5

What kind of triangle is this? Name it for its angles.

• acute

• obtuse

• right

• equiangular

Which would be the best classification for the triangle shown?

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

Tags

CCSS.4.G.A.2

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

Which of the following angles are remote interior angles to angle d?

• Angle a and Angle b

• Angle b and Angle c

• Angle a and Angle c

• Angle a and Angle b and Angle c