2 years ago

HELP NEEDED !!! find the size of unknown angles

Mathematics

1 answer:

Karolina [17]2 years ago

8 0

Explanation :

The line DF is parallel to OB, therefore Angle x = Angle y.

( because, they for corresponding angle pair which are equal. )

And the angle made by an arc at center is always double the angle made by the same arc at its boundary, hence

x = 22° × 2

x = 44°

y = 44° ( cuz, x = y )

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