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Finding the Perimeter of Triangles PER 1 - Math Antics

Find the perimeter of each rectangle by adding up the lengths of its four sides. Remember that you can add the sides in any order you want to. Don’t forget your units! Finding the Perimeter of Rectangles. 2 4 6 3 5 1 6 in 6 in. 6 m 6 m. 9 in 12 m. 9 in 15 cm. 32 mm 19 mm. 19 mm 32 mm. 6 m 7 m. 7 m 1. 1 2. 2 6 m. 72 yd 72 yd. 40 yd 15 cm. 4 cm ...