A rectangular cardboard, 15 cm by 50 cm, is cut into smaller squares. What is the least number of such square pieces. With Solution​

The greater the number used to divide the measurement, the lesser quantity you will have. Thus, 30 squares is the final answer

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Step-by-step explanation:

The vertex is given (-1, 4).

The axis of symmetry is a vertical line and passes through vertex.

Since the x- coordinate of vertex is  - 1, the line of symmetry is x = - 1.