Circle theorem - easy work

Mathematics

1 answer:

makvit [3.9K]3 years ago

8 0

Angle in a semi circle is 90°
<a = 180-90-<b = 90-28 = 62°

opposite angles of a cyclic quadrilateral sums up to 180°
<b + <a = 180
<b = 180-62
<b = 118°

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