Question

Find the unknowns of the following questions in picture.

Answer 1

Answer:

1. 45

2. 70

3. 80

Step-by-step explanation:

Answer 2

Answer:

1. 45°

2. 70°

3. 40°

Step-by-step explanation:

1. Angle on a straight line (180°-135°)= 45°

2. 180°-110°= 70°

3. 2h = 180° - (65°+35°)

         = 180° - 100°

         = 80°

$\frac{2h}{2}$ = 80°

h = $\frac{80}{2}$

   = 40°

Hope this helps

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