Pp = 3*3 = 9cm²
h:
5²-1,5² = b²
25-2,25 = 22,75
√22,75 = √23
Pb = 4*½*3*√23 = 6√23cm²
Pc = (9+6√23)cm²
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Pp = 3*3 = 9cm²
h:
5²-1,5² = b²
25-2,25 = 22,75
√22,75 = √23
Pb = 4*½*3*√23 = 6√23cm²
Pc = (9+6√23)cm²