1.

How to find other two equal sides of a triangle when they have given a side and perimeter?

Answer»

If it is a ISOCELES triangle then two SIDES are same LET these two sides =x
we know that Peri of a triangle=sum of all the sides
Peri=ist SIDE +2nd side+3rd side
Peri=ist side+x+x
peri-ist side=2x
peri-ist side/2=x



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