d_{AC}&= \sqrt{\left(x_2-x_1 \right)^2+ \left(y_2-y_1 \right)^2} && d_{A^\prime C^\prime}= \sqrt{ \left(x_2-x_1 \right)^2+ \left(y_2-y_1\right)^2} \\d_{AC}&= \sqrt{\left(-5- \left(-3 \right) \right)^2+ \left(7-3 \right)^2} && d_{A^\prime C^\prime}= \sqrt{\left(5-3 \right)^2+ \left(7-3 \right)^2} \\d_{AC}&= \sqrt{\left(-2 \right)^2+ \left(4 \right)^2} && d_{A^\prime C^\prime}= \sqrt{\left(2 \right)^2+ \left(4 \right)^2} \\d_{AC}&= \sqrt{4+16} && d_{A^\prime C^\prime}= \sqrt{4+16} \\d_{AC}&= \sqrt{20} && d_{A^\prime C^\prime}= \sqrt{20} \\d_{AC}&=4.47 \ cm && d_{A^\prime C^\prime}=4.72 \ cm
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