Brennen435
13.11.2019 •
Mathematics
In quadrilateral abcd, ae=x+6 and be=3x-18 for what value of x is abcd a rectangle?
a. 14
b. 16
c. 12
d. 18
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Ответ:
- x - x
6 = 2x - 18
+ 18 + 18
24 = 2x
2 2
12 = x
The answer is C.
Ответ:
69420
Step-by-step explanation: