Question

Find the value of AOB in the given figure. ​

Answer 1

Answer:

$3x + 10 + 2x - 30 = 180 \\ 5x - 20 = 180 \\ x = \frac{180 + 20}{5} \\ x = \frac{200}{5} \\ x = 40$

AOB = 3(40) - 10

= 120 - 10

= 110°

Step-by-step explanation:

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