LoveHalo4758
07.09.2019 •
Mathematics
Quadrilateral qrst is a rectangle. rt = 5x + 1 and qs = 6x – 3. find qs.
a. 8
b. 21
c. 42
d. 4
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Ответ:
21.
Step-by-step explanation:
RT and QS are diagonals of the rectangle and are equal in length.
5x + 1 = 6x - 3
-x = -4
x = 4
So QS = 6(4) - 3
= 21.
Ответ: