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# ►​whats the perimeter of a rhombus of height of 4.55 and a base of 5.2

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►​whats the perimeter of a rhombus of height of 4.55 and a base of 5.2

Guest Feb 16, 2017

#2
+18777
+10

whats the perimeter of a rhombus of height of 4.55 and a base of 5.2

without mistake:

$$\begin{array}{|rcll|} \hline a^2 &=& \left(\dfrac{5.2}{2}\right)^2 +\left(\dfrac{4.55}{2}\right)^2 \\ a &= & \sqrt{2.6^2+2.275^2} \\ &= & \sqrt{6.76+5.175625} \\ &= & \sqrt{11.935625} \\ &= & 3.45479738914 \\\\ \text{Perimeter} &=& 4\cdot a \\ &=& 4\cdot 3.45479738914 \\ &=& 13.8191895566 \\ \hline \end{array}$$

heureka  Feb 17, 2017
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#1
+18777
+10

​whats the perimeter of a rhombus of height of 4.55 and a base of 5.2 ?

$$\begin{array}{|rcll|} \hline a^2 &=& \left(\dfrac{5.2}{2}\right)^2 +\left(\dfrac{4.55}{2}\right)^2 \\ &= & \sqrt{2.6^2+2.275^2} \\ &= & \sqrt{6.76+5.175625} \\ &= & \sqrt{11.935625} \\ &= & 3.45479738914 \\\\ \text{Perimeter} &=& 4\cdot a \\ &=& 13.8191895566 \\ \hline \end{array}$$

heureka  Feb 17, 2017
#2
+18777
+10

whats the perimeter of a rhombus of height of 4.55 and a base of 5.2

without mistake:

$$\begin{array}{|rcll|} \hline a^2 &=& \left(\dfrac{5.2}{2}\right)^2 +\left(\dfrac{4.55}{2}\right)^2 \\ a &= & \sqrt{2.6^2+2.275^2} \\ &= & \sqrt{6.76+5.175625} \\ &= & \sqrt{11.935625} \\ &= & 3.45479738914 \\\\ \text{Perimeter} &=& 4\cdot a \\ &=& 4\cdot 3.45479738914 \\ &=& 13.8191895566 \\ \hline \end{array}$$

heureka  Feb 17, 2017

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