Answer:

Step-by-step explanation:
The side of the square base is:


The formula for the surface area of the pyramid is:

The height is cleared in the previous expression:




![h = \sqrt{\frac{4}{9}\cdot \left[\frac{224\,cm^{2}-(8\,cm)^{2}}{8\,cm}\right]^{2}-\frac{1}{4}\cdot (8\,cm)^{2} }](https://tex.z-dn.net/?f=h%20%3D%20%5Csqrt%7B%5Cfrac%7B4%7D%7B9%7D%5Ccdot%20%5Cleft%5B%5Cfrac%7B224%5C%2Ccm%5E%7B2%7D-%288%5C%2Ccm%29%5E%7B2%7D%7D%7B8%5C%2Ccm%7D%5Cright%5D%5E%7B2%7D-%5Cfrac%7B1%7D%7B4%7D%5Ccdot%20%288%5C%2Ccm%29%5E%7B2%7D%20%7D)

Answer:
$51.63
Step-by-step explanation:
Look at the image for an explanation.
Answer:
<em>The </em><em>measure </em><em>of </em><em>y </em><em>is </em><em>6</em><em>5</em><em> </em>
<em>as </em><em>they </em><em>are </em><em>the </em><em>opposite </em><em>angles </em><em>of </em><em>parallelogram</em><em>. </em>
Tom has $252, Hans has $93 and Charmaine still has $84.