densechild densechild

29-03-2021
Mathematics

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What is the length of BC?
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A:11
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B:12
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C:22
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D:24

What is the length of BCA11B12C22D24 class=

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AL134340 AL134340

29-03-2021

Answer:

a. 11

Step-by-step explanation:

triangle lmn is twice triangle abc

2(x+4)=3x-1

2x+8=3x-1

x=7

7+4=11

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