$\definecolor{red}{RGB}{255,0,0}$$\definecolor{black}{RGB}{0,0,0}$
h
h
h
h
=
3·V/(A
1
+(A
1
·A
2
)
1/2
+A
2
)
A
1
A
1
A
1
A
1
=
a
2
A
2
A
2
A
2
A
2
=
b
2
A
3
A
3
A
3
A
3
=
(a+b)/4 ·(4·h
2
+(a-b)
2
)
1/2
V
V
V
V
=
h/3·(A
1
+(A
1
·A
2
)
1/2
+A
2
)
a
a
a
b
b
b
Trunk of pyramid: areas, height, volume
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