Question

find angle AOC fast please

Answer 1

AOC = 135°

Here it is m8,
In ∆ABC,
B = 90° &
A+C = 90° (By Angle Sum Property)

As A+C = 90°
$\frac{A + C}{2} = \frac{90}{2} = 45$

That means,
OAC+OCA = 45°

Now, By Angle Sum Property,
AOC + (OAC+OCA) = 180°
AOC + 45° = 180°
AOC = 180°-45° = 135°

AOC = 135°

Hence Derived m8.
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