Answer:
8.7 cm
Step-by-step explanation:
You know the relationship between the diagonal of a rectangular prism and the sides as 
where x, y and z are the three dimensions of the prism. from your data, 
or 
. With some simple calculation you get
, or 
17ft, you go across x-axis till 10(years) and vertically look up to the line which co-ordinates x-axis with y-axis and look up the height(ft)
Don’t know but hope you have a good day
Answer: 21
Step-by-step explanation:
3x+2+5x+10= 180 (the Angles are supplementary)
8x+12=180
8x=168
x=21
