sarahrocks1123 sarahrocks1123

02-08-2018
Mathematics

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Geometry math question no Guessing and Please show work thank you

Geometry math question no Guessing and Please show work thank you class=

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rachelpinto17 rachelpinto17

02-08-2018

3m+21=6m
=>21=6m-3m
=>21=3m
=>7=m
Therefore option A is the answer

Answer Link

Kristiania Kristiania

02-08-2018

Here triangles LRU and LAU are congruent

So side RU=AU

3m+21=6m

subtracting 3m from both sides

21=6m-3m

3m=21

dividing both sides by 3

m=21/3 = 7

Answer is A. m=7

Answer Link

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