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Verified answer
Panjang AB = 8 cmPanjang AH = √(8² + 8²) = √(2.8²) = 8√2 cm
Karena segitiga ABH siku-siku di A, maka,
L = 1/2 * 8 * 8√2
= 4 * 8√2
= 32√2 cm²