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zairaefh6496
07.12.2020 •
Mathematics
Is AQRS = ATUV? If so, name the postulate that applies.
R
U
Given:
QS=7V
RS UV
2QE27
S
A. Congruent - ASA
O B. Might not be congruent
C. Congruent - SSS
D. Congruent - SAS
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Ответ:
x=5
Step-by-step explanation:
a) A B C
...
b) If B is a midpoint then AB=BC,
4x+1=2x+11
c) Solving for x,
1. Subtract 2x from both sides:
4x+1=2x +11
-2x -2x
so we get 2x+1=11
2. Subtract 1 from both sides:
2x+1=11
-1 -1
so we get 2x=10
3. Device both sides by 2:
2x/2=10/2, so we get
x=5
d) Finding AC
AC= AB+BC
AB=4x+1
Plug in 5 instead of x;
AB= 4*5 +1
AB= 20+1
AB=21
AB=BC, so BC=21
AC=AB+BC
AC=21+21=42
AC=42