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RoseWind [281]
2 years ago
5

Find BC if BD = X + 29, AD = x = 39, AC = 20, and BC = x + 19

Mathematics
1 answer:
nalin [4]2 years ago
5 0

Answer:

10 units

Step-by-step explanation:

We are given that

BD=x+29

AD=x+39

AC=20

BC=x+19

AC=AB+BC

20=AB+x+19

AB=20-x-19=1-x

AD=AB+BD

x+39=1-x+x+29

x=30-39=-9

Substitute the value of x=-9

Then , we get BC=-9+19=10 units

Answer: BC=10 units

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