Algebra - Lesson Solving for the missing angle/sides in poly

Algebra - Lesson Solving for the missing angle/sides in poly

Multiple Choice

Find the measure of the missing angle.

• 139°

• 66°

• 138°

• 116°

Multiple Choice

Which equation could be used to solve for x?

• $8x+2-60-70=180$

• $8x+2+60+70=360$
  

• $8x+2-60-70=360$
  

• $8x+2+60+70=180$
  

Multiple Choice

Which equation is correct to solve for x?

• x+6 = x + 20
• 5x + 30 = 180
• x+6 + x + 20 +5x + 30 = 180
• x + 6 = 5x + 30

Multiple Choice

Solve for x.

• 16

• 11

• 50

• 6

Fill in the Blanks