gisselavila15p3a88u
gisselavila15p3a88u
28-01-2018
Mathematics
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Find the missing length
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tynollette
tynollette
28-01-2018
this is a 45-45-90 special right triangle
y=3
x=3√2
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Аноним
Аноним
28-01-2018
sin 45 = 3 /x
1 / sqrt2 = 3 /x
x = 3 sqrt2
tan 45 = 1
so y = 3
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