A rectangle has a height of #2x+5# and a width of #3x-5#. What is the perimeter of the rectangle?

1 Answer
sjc
Apr 26, 2018

#10x#

Explanation:

A rectangle has two lengths and two widths of equal length

so perimeter

#P=2x+5+3x-5+2x+5+3x-5#

#=10x#

alternatively we can do the calculation as

#2xx ("length "+" width")#

#=2xx(2x+5+3x-5)=2xx5x=10x#

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