one side is 20 and other side is 10 given area is 80 find the other side?

• make a rectangle with one side 20
  now make a triangle in this rectangle with base 20 and third point on opposite 20 side.
  triangle A=1/2*20*height
  h=8...by Pythagoras on two small triangles formed by height..
  ANS.=16.12
• 11 years agoHelpfull: Yes(2) No(0)
• ans:11.30 or 29.5
  formula:area=sqrt{s(s-a)(s-b)(s-c)}
  where s=(a+b+c)/2
• 11 years agoHelpfull: Yes(0) No(1)