Calculate the length of the side of the square to 1dp.

72 cm

Step-by-step explanation:

You can solve this problem using the properties of the 45-45-90 right triangle. Assuming the 12 cm is a diagonal of the square, each side of the square can be modeled as x, and the diagonal will be x.

This means , so  .

Next, to find the area of the square you take the square of any of its sides. Since x is the length of one side, and , you can square to get the area. This is equal to or 72 cm.

its not b

step-by-step explanation:

answer: the answer is 30 miles per hour.

ft/s -> mphmph = ft/s 1.466667mph = 44 divided by 1.466667mph = 30.00000

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