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danny2004 danny2004
  • 25-05-2016
  • Mathematics
Answered

can some figure this out

can some figure this out class=

Verified Answer :

caylus
caylus caylus
  • 30-05-2016

Hello,

As 4²+(5/2)²=22.25=89/4 (Pytagorean theorem)
Perimeter of the triangle =2√89 /2 +5 =5+√89
Lateral area: 18(5+√89)
Total area= 90+18√89+ 45/2 2 =110+18√89 ≈279.811..(ft²)

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