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=> 1120
L : 1/2 × 22/7 × 14 × 14
L : 1 × 11 × 2 × 14
L : 308 cm²
L Persegi Panjang : P × L
L : 38 × 28
L : 1064 cm²
L Segitiga : 1/2 × a × t
L : 1/2 × 28 × 26
L : 14 × 26
L : 364 cm²
L total : L Segitiga + L Persegi panjang - L 1/2 Lingkaran
L : 364 + 1064 - 308
L : 1120 cm²
(A)