Answer:
615.44
Step-by-step explanation:
If diameter = 28, then radius is 14
Area = 3.14 x (14x14) =615.44
25 units
Applying Pythagoras' Theorem,
(BD)^2= (CD)^2 + (BC)^2
(BC)^2= 65^2 - 60^2
(BC)^2= 625
BC= √625= 25
100 for both
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