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Pp=1/2d₁d₂
d₁=x
d₂=3x
h=5x
60=1/2*x*3x*5x
60=7,5x³
x³=8
x=2
d₁=2 cm
d₂=3*2=6 cm
a²=(½d₁)²+(½d₂)²
a²=(½*2)²+(½*6)²
a²=1+9
a²=10
a=√10
f=3e
Pp=1/2*e*f
Pp=1/2*e*3e
Pp=3/2e²
V=Pp*H
e/H=1/5
H=5e
V=3/2e² *5e
15/2e³=60/*2/15
e³=120/15
e³=8
e=2
f=3*2=6
(1/2e)² +(1/2f)²=a²
(1/2*2)²+(1/2*6)²=a²
a²=1+9
a²=10
a=√10