4 years ago

Find the value of x.

Mathematics

1 answer:

Svet_ta [14]4 years ago

3 0

Answer:

Step-by-step explanation:

A radius to the tangent point always forms a right angle with the tangent.

m∠OAB = m∠OCB = 90°

$m\angle AOC=\stackrel{\big{\frown}}{ADC}=96^o$

The sum of the angles in the quadrilateral is 360°, so:

x = 360° - 2•90° - 96° = 84°

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