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L = 1/2 (8 + 14) 8 [tinggi dihitung menggunakan rumus phytagoras]
L = 1/2 (22) 8
L = 88 cm persegi
t^2=10^2-6^2
t^2=100-36
t^2=64
t=8
luas=(8+14)/2x8
22x4=88cm^2