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nignag [31]
3 years ago
13

Need help ASAP please

Mathematics
1 answer:
Kay [80]3 years ago
3 0

Answer:

because the length is 4 feet more than the width

=> the length is x + 4 (feet)

because the base has an area of 21 square feet

=> x(x + 4) = 21

<=> x² + 4x = 21

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