zadanie w załączniku 8 i 6. rozpisane i obliczone.
Zad.6
DB /EB=AD/CE
4/x=4/5
4x=20
x=5
BE=5
AC/AB=DE/DB
11/8=DE/4
8DE=44
DE=5,5
O(ABC)=8+10+11=29
O(DBE)=4+5+5,5=14,5
Zad. 8
a)
6/7=x/5
7x=30
x=30/7
6/7=y/2
7y=12
y=12/7
P=[(x+y)*h]:2
P=[(30/7+12/7)*3]:2=6*3:2=18:2=9
B) 2,5/h+3,6=1,5/3,6
1,5h+5,4=9
1,5h=3,6
h=2,4
5,5/6=x/3,6
6x=19,8
x=3,3
P=[(5,5+2,5+1,5+x)*h]:2
P=[(8+1,5+3,3)*2,4]:2=(12,8*2,4):2=15,36
c)
6/10=a/7
10a=42
a=4,2
17,64+xdo 2=49
xdo 2=31,36
x=5,6
7/5,6=3/h
7h=16,8
P=[(4,2+6)*2,4]:2=12,24
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Zad.6
DB /EB=AD/CE
4/x=4/5
4x=20
x=5
BE=5
AC/AB=DE/DB
11/8=DE/4
8DE=44
DE=5,5
O(ABC)=8+10+11=29
O(DBE)=4+5+5,5=14,5
Zad. 8
a)
6/7=x/5
7x=30
x=30/7
6/7=y/2
7y=12
y=12/7
P=[(x+y)*h]:2
P=[(30/7+12/7)*3]:2=6*3:2=18:2=9
B) 2,5/h+3,6=1,5/3,6
1,5h+5,4=9
1,5h=3,6
h=2,4
5,5/6=x/3,6
6x=19,8
x=3,3
P=[(5,5+2,5+1,5+x)*h]:2
P=[(8+1,5+3,3)*2,4]:2=(12,8*2,4):2=15,36
c)
6/10=a/7
10a=42
a=4,2
17,64+xdo 2=49
xdo 2=31,36
x=5,6
7/5,6=3/h
7h=16,8
h=2,4
P=[(4,2+6)*2,4]:2=12,24