Find the perimeter of the quadrangle, two sides are 30mm long and the other two are 20mm long.

univerkov | February 9, 2021 | education

The perimeter of any shape is found by adding all its sides.

By the condition of the problem, two sides of the quadrangle have a length equal to 30 mm, and the other two are 20 mm long.

Find the perimeter of this quadrangle by adding the lengths of all four sides:

P = 30 + 30 + 20 + 20 = 100 (mm).

Let us express the perimeter in cm: 100 mm = 10 cm.

Answer: the perimeter of the quadrangle is 10 cm.

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