The perimeter 2

The perimeter of the quadrilateral a = 1m b = 14/5m c = 2 3/10m d = 1 4/5m?

Correct answer:

p =  7.9 m

Step-by-step explanation:

$$\begin{gathered} a=1\text{ m } \\ b=14\mathrm{/}5={\displaystyle \frac{14}{5}}=2.8\text{ m } \\ c=2+3\mathrm{/}10={\displaystyle \frac{23}{10}}=2.3\text{ m } \\ d=1+4\mathrm{/}5={\displaystyle \frac{9}{5}}=1.8\text{ m } \\ p=a+b+c+d=1+2.8+2.3+1.8={\displaystyle \frac{79}{10}}\text{ m}=7.9\text{ m} \end{gathered}$$

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