A parallelogram has sides of length 7.7 millimeters and 17.2 millimeters. What is the perimeter?

P=2b+2c

P=2 (7.7) + 2 (17.2)

P=15.2+34.4

P=49.6 millimeters

Solutions

We know that a rectangle has four sides and the perimeter of a rectangle is the distance around the outside of the rectangle. The opposite sides of a rectangle are congruent To find the perimeter you have to use the formula 2 * (Side A + Side B).

We have the side lengths 7.7 mm and 17.2 mm.

Solve

2 * (Side A + Side B)

2 * (Side A (7.7) + Side B (17.2))

= (7.7 x 2) + (17.2 x 2)

= 49.6

The perimeter is 49.6 mm².