12. a. 3.6 cm b. 6 cm c. 6.4 cm It is gives that AABC DEF and the corresponding sides of these triangles are in the ratio 3:5. Then, ar(AABC):ar(ADEF)=P b. 5:3 a. 3:5 C. 9:25 d. 25:9
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option d is the correct one
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