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Oksanka [162]
3 years ago
11

Someone plzzz answer this

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
8 0

Answer:

x = 8.4

Step-by-step explanation:

The area of a rectangle is equal to the length times the width.

126 = 5x * 3x

126 = 15x

8.4 = x

Since the side length of the square is equal to x, it is equal to 8.4.

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