Angles of Triangles

Angles of Triangles

Multiple Choice

Sum of angles of any tirangle equals to

• 360 degrees

• 180 degrees

• 120 degrees

• 90 degrees

Multiple Choice

to find a missing angle of a triangle, you need to add all three angles and make them equal to...

• 180 degrees

• 360 degrees

• 90 degrees

Multiple Choice

Find missing angle (solve for x)

• x=110

• x=180

• x=70

Multiple Choice

find measurement of a missing angle (solve for x)

• x=140

• x=40

• x=180

Exterior Angles

To find an exterior angle, you have to add two interior remote angles (the ones on the other side of a triangle)

Multiple Choice

x is an exterior angle, solve for x

• x=100

• x=50

• x=180

Multiple Choice

solve for x

• x=60

• x=120

• x=180

• cannot be solved

Poll

what do you need to do to solve for missing angle (pay attention that 115 is exterior angle)? you can select more than one option

• 115-50

• 50+x=115, then solve for x

• 50+115

• 50 -115

Multiple Choice

solve for x

• x=115

• x=165

• x=65

• x=50