sophiasaieva sophiasaieva

28-04-2022
Mathematics

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If a rectangle has a length that is three times the width increased by 4. Find the dimensions of both the length and width if the
perimeter of the rectangle is 80 centimeters

Respuesta :

sarahadoniram1 sarahadoniram1

28-04-2022

Answer:

width is 9

length is 13

Step-by-step explanation:

l=3b +4

w=b

(3b+4)2+2b=80

6b+8+2b=80

8b+8=80

8b=80-8=72

b=72/8

b=9

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