A rectangle with sides 3cm and 7cm is given. find its perimeter and area.
| June 25, 2021 | education
We will solve this example by action.
At the first stage, using the example data, we get the perimeter of the rectangle equal to 3 + 3 + 7 + 7 = 6 + 14 = 20 centimeters.
By the second action, taking into account the information of the problem, we have the area of the rectangle equal to 3 x 7 = 21 cm ^ 2.
Answer: The perimeter of the rectangle is 20 centimeters, and its area is 21 cm ^ 2.
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