Calculate the perimeter and area of a rectangle with side lengths of 4cm and 7cm.
| November 23, 2020 | education
find the perimeter
P = 2a + 2b = 2 × 4 + 2 × 7 = 8 + 14 = 22 cm
find the area
S = a × b = 4 × 7 = 28 cm²
answer. the perimeter is 22cm and the area is 28cm²
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