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(7cm)²+b²=(13cm)²
b²=169cm²-49cm²
b²=120cm²
b=√120cm²
b=2√30cm
a=7cm
Pp=ab/2
Pp=(7cm · 2√30cm)/2=7√30cm²
V=Pp ·h
V= 7√30cm² · 15cm=105√30cm³
(7cm)²+b²=(13cm)²
b²=169cm²-49cm²
b²=120cm²
b=√120cm²
b=2√30cm
a=7cm
Pp=ab/2
Pp=(7cm · 2√30cm)/2=7√30cm²
V=Pp ·h
V= 7√30cm² · 15cm=105√30cm³