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someone help me plz
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In the rhombus AYXZ, which is 3a + 2b? http://static.k12.com/eli/ecollege/941/1_54810/2_45707_3_54813/d2a4c0f9b2874ca7194075f7ac6da25ec4d47884/media/c98fa082a6b9879ced8efc71f5c9fd92a2500e2a/mediaasset_1230879_1.gif
243 degrees 238 degrees 228 degrees <--- my answer 198 degrees
@jim_thompson5910
this is a rhombus, so the diagonals intersect each other at 90 degree angles
using that info, what is angle b?
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will it be the same 90
b is not 90
okay let me work it out
|dw:1413416912571:dw|
Pull out triangle ATY |dw:1413417003128:dw|
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i got 148
incorrect
remember that 3 angles of a triangle add to 180 degrees
okay so i add 90 to 180
no, the three angles must add to 180
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|dw:1413417190431:dw|
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