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Aureo:
Geometry problem. =/ ∆ABC ~ ∆DEF. If ∠A=75° and ∠F=90°, what is the measure of ∠B? Show all work
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jhonyy9:
do you know how many is the sum of measure angles of a triangle ?
jhonyy9:
\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9 do you can drawing these two triangles ? \(\color{#0cbb34}{\text{End of Quote}}\)
Aureo:
The sum of the angles is 180 for Triangles
jhonyy9:
yes right drawing these triangles for easy understanding
jhonyy9:
then two triangles are similare what mean this ?
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Aureo:
Oh wait, since ∆ABC ~ ∆DEF, that means that ∠C ~ ∠F, right?
jhonyy9:
yes sxactly
Aureo:
Okkay, so since I know ∠A and now ∠C, I can add those and subtract them from 180 to get ∠B, right?
jhonyy9:
yes perfect
Aureo:
So ∠B is 15 degrees, right?
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jhonyy9:
yes sure
Aureo:
Thanks!
jhonyy9:
my pleasure and anytime good luck bye
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