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luas segitiga ADE = 1/2 x a x t = 1/2 x 5 x 18 = 45 cm2
2. BCF = sama seperti ADE = 45 cm2
3. EFDC = p x l = 14 x 18 = 252 cm2
4. ABCD = 1/2 x jss x t
1/2 x (14+24) x 18 = 342 cm2
SEMOGA BETUL ~~~