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L = p x l
360 = p x 9
360 = 9p
p = 360/9
p = 40 cm
AC² = p² + l²
AC² = 40² + 9²
AC² = 1.600 + 81
AC² = 1.681
AC = √1.681
AC = 41 cm
jawabnya b
soal no 2
AD² = AF² + FD²
AD² = (62-15)² + (40/2)²
AD² = 47² + 20²
AD² = 2.209 + 400
AD² = 2.609
AD = √2.609
AD = 51,07 cm
jawabnya b
soal no 3
AB² = AO² + OB²
AB² = (80/2)² + (18/2)²
AB² = 40² + 9²
AB² = 1.600 + 81
AB² = 1.681
AB = √1.681
AB = 41 cm
jawabnya c