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hey did you study for the math test?
please see Mrs . Iannuzzi for your test grades
36
find the missing length of these triangles
?
60
?
5
13
HOMEWORK
STIUDY FOR THE TEST ON TRIANGLES TOMORROW
please see Mrs . Iannuzzi for your test grades
oh... what did i do wrong?
please see Mrs . Iannuzzi for your test grade
Ali, your test grade was a B+
you made a very common mistake! on your 30, 60, 90 triangles, you used the formula for 45, 90 triangles.
how am i supposed to remember that
please see Mrs . Iannuzzi for your test grades
for 30, 60, 90 triangles, the short side is X, the long side is Xroot3 and the hyp. is 2X.
for 45, 90 triangles, the two short sides are X and the hyp. is Xroot2.
one way you can remember which goes to which, is think that the 30, 60, 90 triangles have 3 different angles so it has 3 different measurements!
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