a = 8 cm
b = 9 cm
D = 17 cm
V = ?
V = abc
D² = d²+c²
d-przekatna w podstawie
d² = a²+b²
d² = 8²+9²
d² = 64+81
d² = 145
D² = 145+c²
c² = D²-145
c² = 17²-145
c² = 289-145
c² = 144
c = √144
c = 12 cm
V = 8*9*12
V = 864 cm³
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64+81=x²
x=√145
H²+(√145)²=17²
H²+145=289
H=√144=12cm
Pp=8*9=72cm²
V=72*12=864cm³
b=9cm
D=17cm
d podstawy=√8²+9²=√64+81=√145
h=√17²-(√145)²=√289-145=√144=12cm
v=Pph=abh=8×9×12=864cm³
a = 8 cm
b = 9 cm
D = 17 cm
V = ?
V = abc
D² = d²+c²
d-przekatna w podstawie
d² = a²+b²
d² = 8²+9²
d² = 64+81
d² = 145
D² = 145+c²
c² = D²-145
c² = 17²-145
c² = 289-145
c² = 144
c = √144
c = 12 cm
V = 8*9*12
V = 864 cm³