v=(10+13)/2×4×20=23/2×4×20=920 cm3
Lp=2×luas trapesium+luas pp1+l pp2+ l pp3+l pp4
=(2(10+13)/2×4)+(4×20)+(10×20)+(5×20)+(13×20))
=((92)+(80)+(200)+(100)+(260))
=732 cm"
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v=(10+13)/2×4×20=23/2×4×20=920 cm3
Lp=2×luas trapesium+luas pp1+l pp2+ l pp3+l pp4
=(2(10+13)/2×4)+(4×20)+(10×20)+(5×20)+(13×20))
=((92)+(80)+(200)+(100)+(260))
=732 cm"