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A triangle has side lengths of 12 cm, 14 cm, and 18 cm. What is the perimeter of the triangle in inches? (1 cm = 0.4 in.)

Answer :

Final answer:

To find the perimeter of the triangle in inches, sum the lengths of the sides in centimeters (44 cm) and multiply by the conversion factor (0.4 in/cm), resulting in a perimeter of 17.6 inches.

Explanation:

The student is asking how to calculate the perimeter of a triangle in inches when the sides are given in centimeters. To find the perimeter, we first add the lengths of the sides: 12 cm + 14 cm + 18 cm = 44 cm. Now, we need to convert this sum into inches using the given conversion factor (1 cm = 0.4 in). Therefore, the perimeter P in inches is P = 44 cm × 0.4 in/cm.

P = 17.6 inches.

This is how we calculate the perimeter of a triangle in inches from centimeter measurements.

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Rewritten by : Barada

Answer:

15.8 in

Step-by-step explanation:

12cm x .4 = 3 in

14 x .4 = 5.6

18 x .4 = 7.2

3 + 5.6 + 7.2 = 15.8 in

Hope that helps!

-Sabrina