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AF² = AD² + DF²
= 8² + 4²
= 64 + 16
AF² = 80
AF = √80
= 4√5 cm
Maka, Panjang Sisi Miring adalah 4√5 cm
DF = 4 cm
Sisi miring AF = ?
AF² = DF² + AD²
AF² = 4² + 8²
AF² = 16 + 64
AF² = 80
AF² = √80
AF² = 8,94