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07-02-2022
Mathematics

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If AD = 3x + 18, AB = 5x + 10, and BC = 12x + 2, what is BC?

A 30
B 15.7
C 50
D 19.5

If AD 3x 18 AB 5x 10 and BC 12x 2 what is BC A 30 B 157 C 50 D 195 class=

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07-02-2022

Answer: 50
——————————
*REMEMBER AD and AB are congruent therefore they are the same length (EQUAL)*
3x + 18 = 5x + 10
18 = 2x + 10
8 = 2x
4 = x
——————————
So..
12x + 2
12(4) + 2
48 + 2
50

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