Triangles and Angles

In a triangle, how many total degrees are there?

• 100%
• 180 degrees
• it varies
• 360 degrees

Tags

CCSS.8.G.A.5

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80
• 100
• 60
• 90

Tags

CCSS.HSG.CO.C.10

When 2 lines intersect, the angles opposite each other are

• complementary
• supplementary
• adjacent
• vertical angles

Tags

CCSS.7.G.B.5

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

Tags

CCSS.HSG.CO.C.9

In an equilateral triangle, all angles are equal.  How many degrees in each?

• 180
• 60
• 50
• 90

Tags

CCSS.HSG.CO.C.10

• complementary (=90)
• supplementary (=180)
• vertical (congruent)

Tags

CCSS.7.G.B.5

• complementary (=90)
• supplementary (=180)
• vertical (congruent)

Tags

CCSS.4.MD.C.5

CCSS.4.MD.C.7

• complementary (=90)
• supplementary (=180)
• vertical (congruent)

Tags

CCSS.7.G.B.5

• 2x-6=7x+4
• 2x-6+7x+4=90
• 2x-6+7x+4=180
• 2x-6+7x+4=360

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

CCSS.HSG.C.A.2

• 2x-6=7x+4
• 2x-6+7x+4=90
• 2x-6+7x+4=180
• 2x-6+7x+4=360

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3