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nexus9112 [7]
3 years ago
15

A rectangle has a height of 4x and a width of 3x + 1.​

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
5 0

Answer:

area of rectangle= length x width

height 4x and width = 3x+1

area of recatangle=4x(3x+1)

=12x^2+4x

perimeter of recatangle=4x+3x+1+4x+3x+1=14x+1

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