The sides 7

The sides of the triangle are 5.2, 4.6, and x. If the PERIMETER of the triangle is 11.2 feet, what is the length of the unknown side? (hint: draw a picture)

Correct answer:

x =  1.4 ft

Step-by-step explanation:

p=11.2 ft a=5.2 ft b=4.6 ft  a+b+x = p  x=pab= ft

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