Find the length of BC.
A) 8
B) 12
C) 16
D) 18
2 answers:
B
6/4=18/X
6x= 72
X=12
Or you can say 4+4+4=12
GEF~CBF, because <F is general and <GEF=<CBF=90°. => GE:CB=EF:BF=6:18=1:3
GE:CB=1:3
4:CB=1:3
CB=12
The answer is B
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Answer:
6 inches
Step-by-step explanation:
A=b1+b2/2*h
Fill in the equation with what we know
21=8+x/2*3
Isolate x
Quick steps: 21/3=7*2=14-8=6
x=6
Answer:
=13
Step-by-step explanation:
=2^2+2×2+5
=4+4+5
=8+5
=13
5x−2(x+1)=14
distribute
5x -2x-2 =14
3x-2 = 14
add 2 to each side
3x = 16
divide by 3
x=16/3
Answer x=16/3 or 5 1/3
