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Answer:
77.55 sq cm.
Step-by-step explanation:
area of traiangle = 109 sq cm
side AB = 21.8 cm by pythagoras theorem
21.8÷2= 10.9 (radius of the semi circle)
Area of circle (if pi=3.14)= 186.55
:. 186.55 - 109= 77.55 sq. cm
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