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=axt/2 + 1/2 πr^2
=28x30/2 +1/2x22/7x14x14
=420+308
=728cm^2
L = πr²
= 14²
= 196
= 308 cm²
2. Luas Segitiga
L = alas . tinggi
L= 28 . 30
=420 cm²
total luas = 420 + 308 = 728 cm²