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Lelechka [254]
3 years ago
7

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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