whityelaine7997
18.04.2020 •
Mathematics
Jenna and luis are building a patio around a flower bed, as shown. Jenna says that the perimeter of the patio is modeled by the expression 12 + 6x. Luis says that the perimeter of the patio is modeled by the expression 18 + 8x. Whose expression for the perimeter is incorrect
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Ответ:
16
Step-by-step explanation:
Use a special rule: BD^2=AD*DC (the squared height in right triangle drawn to hypotenuse is equal to the product of the parts of hypotenuse on which height divides the hypotenuse) 12^2=9*DC
DC=16