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1.Pp=10*10/2=50cm2
H=5√2
V=86√2
2.Pp=8cm²
V=10,7cm²
3.Pp=64
V=42,7√6cm²
d=8
a√2=8 /√2
a=4√2
(4√2)²=(2√2)²+h²
32=8h²
h²=4
h=2
V= Pp*H = (4√2)²*4=128
Pc = Pp+4Pb= 32+0,5*4√2*2=128√2
2) 0,5d=5
d=10
a√2=10
a=5√2
10²=h²+(2,5√2)²
100=12,5h²
h²=8
h=2√2
V= (5√2)²*5√3=250√3
Pc= 50 + 2 * 5√2*2√2=90
3) a=8
d=8√2
0,5d=4√2
(8√2)²=h²+4²
128=16h²
h²=8
h=2√2
H=4√2*√3=4√6
V= 64*4√6=256√6
Pc=64 +4*4*2√2=64+32√2