Solve problem. See EXAMPLE.Dimensions of a Puzzle Piece A puzzle piece in the shape of a t...

Solve problem. See EXAMPLE.

Dimensions of a Puzzle Piece A puzzle piece in the shape of a triangle has perimeter 30 cm. Two sides of the triangle are each twice as long as the shortest side. Find the length of the shortest side.

EXAMPLE FINDING THE DIMENSIONS OF A SQUARE

If the length of each side of a square is increased by 3 cm, the perimeter of the new square is 40 cm more than twice the length of each side of the original square. Find the dimensions of the original square.

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