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yulyashka [42]
3 years ago
11

Helppppp it’s an emergency!!!!!

Mathematics
1 answer:
Feliz [49]3 years ago
8 0

Answer:

Equation: 2(x+8)+2(3x-5)+23 = 126

x = 12.125m

AB = 20.125m

EF=31.375m

Step-by-step explanation:

The equation of the perimeter of this shape can be written as:2(x+8)+2(3x-5)+23 = 126 (Sides with the same number of dashes are equal in length)

Which becomes:

2x+16+6x-10+23=126

8x+29=126

8x=97

x= 12.125

Since AB = x+8, we can substitute to get the length of AB:

x+8 = 12.125+8

=20.125

We can also use substitution to solve for the length of EF:

3x-5=3(12.125)-5

=31.375

Hope this helps :)

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