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Mathematics 7 Online
OpenStudy (amitrashok):

In the figure, ΔABC ~ ΔDEF. Solve for x. Triangles ABC and DEF. Angles B and E are congruent and measure 39 degrees. AB measures 20. BC measures 24. EF measures 6. DE measures x. x = 5 x = 12 x = 4 x = 7.2

OpenStudy (amitrashok):

@Loser66

OpenStudy (loser66):

where is the pic?

OpenStudy (amitrashok):

OpenStudy (amitrashok):

there

OpenStudy (anonymous):

set up a proportion

OpenStudy (amitrashok):

um ok what would it be

OpenStudy (anonymous):

20/6 = 24/x

OpenStudy (anonymous):

sorry, 20/x = 24/6

OpenStudy (amitrashok):

so it would be 80 then

OpenStudy (amitrashok):

oh

OpenStudy (amitrashok):

so it would be 40 then

OpenStudy (amitrashok):

thats not one of the choises is though

OpenStudy (anonymous):

it would be 5

OpenStudy (anonymous):

cross multiply to get 24x=120 and the solve to get 5

OpenStudy (amitrashok):

lol my bad i divided wrong

OpenStudy (amitrashok):

ok thanks u all

OpenStudy (anonymous):

lol no problem

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