Geometry Problem 1527. Post your solution in the comment box below.
Level: Mathematics Education, K-12 School, Honors Geometry, College.
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Extend BA to P.
ReplyDelete<PAD = 81 and < PAF = 71 (External angles of cyclic quadrilaterals).
< DAF = 81+71 = 152
Sumith Peiris
Moratuwa
Sri Lanka