1.

The shortest side of a triangle is 42 CM. it's perimeter is 130 m and it's longest side is 3 times its shortest side. find the third side of the garden.​

Answer»

LONGEST 3×shortest SIDE

3×20

=60m

perimeter =SUM of all THREE SIDES

130=20+60+x

130=80x

x=130-80

=50m



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