QS = tinggi = 8 cm
QR = QP = sisi miring = 10 cm
PR = alas = 12 cm
L = a x t/2 = PR x QS/2
L = 12 x 8/2 = 48 cm²
K = PR + QR + QP = 12 + 10 + 10 = 32 cm
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QS = tinggi = 8 cm
QR = QP = sisi miring = 10 cm
PR = alas = 12 cm
L = a x t/2 = PR x QS/2
L = 12 x 8/2 = 48 cm²
K = PR + QR + QP = 12 + 10 + 10 = 32 cm