Question

What is the value of a+b?

Answer 1

Answer:

125

Step-by-step explanation:

$a = \frac{1}{2} \times 90 \degree \\ \\ a = 45 \degree \\ \\ b =\frac{1}{2} (360\degree - 200\degree) \\ \\ b = 80\degree \\ \\ a + b = 45 + 80 \\ \\ a + b = 125 \degree$