Răspuns:
Explicație pas cu pas:
AC/ED= BC/EF= AB/DF
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BC/EF= 5: 3,75
BC/EF= 5:375/100
BC/EF=5⁽⁵*100/375⁽⁵=100⁽⁵/75⁽⁵=20⁽⁵/15⁽⁵=4/3
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BC/EF=4/3
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AB/DF=3/2,25= 3: 225/100=3⁽³*100/225⁽³=100⁽⁵/75⁽⁵=20⁽⁵/15⁽⁵=4/3
AB/DF=3/4
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AC/ED=3/4
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AC/ED= BC/EF=AB/DE =3/4
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60/y=24⁽⁶/18⁽⁶
60/y=4/3
y=( 60x3)/4
y=180/4
y=45
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a)
x/3=24⁽⁶/18⁽⁶
x/3=4/3
x= (4x3)/3
x= 12/3
x=4
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b)
5/4=10/x
5x=40
x= 40:5
x=8
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5/4=5√2/z
5z= (4*5√2)
z= 20√2/5
z= 4√2
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5/4=t /904
4t= 904*5
4t= 4520
t= 4520:4
t=1.130
