Question

how to find perimeter of an arrow with a missing length

Answer 1

Answer:

The length of one side is missing. To find the missing side length, write an addition sentence for the perimeter of the triangle. The perimeter of a triangle equals the sum of all of its side lengths. Add the lengths of the sides you know

Step-by-step explanation:

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Answer 2

Answer:

1.The perimeter is the measure or length of the outline of an object or a shape.

2.The perimeter of the double headed arrow is,

3.= 7.9 cm + 7.9 cm + 5.1 cm + 5.1 cm + 5.1 cm + 5.1 cm + 1.2 cm + 1.2 cm + 1.2 cm + 1.2 cm.

4.= 2 × 7.9 cm + 4 × 5.1 cm + 4 × 1.2 cm.

5 = 15.8 cm + 20.4 cm + 4.8 cm.

6.= 41 cm.

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