Question

9.
Using the information in figure 3.12.
find the measures of La. Zb and Le
30 70 80 solution with formula

Answer 1

Answer:

Angle a = 30°

Angle b = 70°

Angle c = 80°

Answer 2

Answer:

angle b=70° ( vertically opposite angle)

angle c+100°=180° ( linear pair)

c=180°-100°

c=80°

angle a+70°+80°=180° (angle sum property)

a+150°=180°

a=180°-150°

a=30°

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