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Use the perimeter to find the length of segment AD. This is the distance from A to D. Explain how you found your answer. Please help!

Use the perimeter to find the length of segment AD This is the distance from A to D Explain how you found your answer Please help class=

Respuesta :

akposevictor

Answer:

AD = 5 units

Step-by-step explanation:

Given:

Perimeter = 18 units

BC = 4 units

CD = 3 units

Required:

Length of segment AD

Solution:

Perimeter = AB + BC + CD + AD

We can easily find AB,

AB = 6 units (distance from A to B)

Plug in the values

18 = 6 + 4 + 3 + AD

18 = 13 + AD

Subtract 13 from each side

18 - 13 = 13 + AD - 13

5 = AD

AD = 5 units

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