Answers

2015-11-25T23:32:46+05:30
GIVEN: BD = 1/2 DC
CONST: Draw a line ⊥ BC, AE ⊥ BC
Let AE = h (Ht. of ΔABC)
∵ BD + DC = BC
BD + 2BD = BC
3BD = BC
BD = 1/3 BC
Ar. ΔABD = 12 × BD × AE = 1/2 × (1/3 BC) × AE
= 13 × 12 = BC × AE
= 13 × Ar. ABC

Hope I helped you! :)
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