1.

What is the third side of traingle where third side is 12cm and 16 cm.​

Answer»

LET the 3RD SIDE be X

=  >  {x}^{2}  =  {12}^{2}  +  {16}^{2}   \\ \\  =  >  {x}^{2}  =144 + 256 \\  \\  =  >  {x}^{2}  = 400 \\  \\  =  > x =  \sqrt{400}  \\  \\  =  > x = 20 \: cm



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