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Example 1
Solve the right triangle if Ð B
= 220 and b = 16 (see fig 8)
Solution :
Ð C = 900 , Ð
B = 220 \ Ð
C = 900 - 220 = 680
Example 2
In triangle PQR, p = 40, q = 9, Ð
R = 90. Solve triangle PQR.
Solution :
By Pythagoras theorem, r2 = p2 + q2
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