Mathematics
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Nicole:
http://prntscr.com/pw0ea9
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Nicole:
@Vocaloid
Nicole:
@AngeI
jhonyy9:
do you know formula for area of a triangle ?
Nicole:
Yes but can you tell me the equation so I can solve
its is A=1/2bh
jhonyy9:
this is what you ve wrote base time higth divide 2
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jhonyy9:
the base length is 15 and the higth is 18
Nicole:
Yes
jhonyy9:
right
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jhonyy9:
list the angles not the sides
Nicole:
can you help me I think its DEF
jhonyy9:
no the smallest is the angle corresponding to smallest side so what may be ?
Nicole:
DFE?
jhonyy9:
no
what is the smalest side ?
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jhonyy9:
side EF
yes ?
Nicole:
Yes
jhonyy9:
so the corresponding angle to this side what is ?
Nicole:
D
jhonyy9:
exactly
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Nicole:
FDE
jhonyy9:
yes this is the smalest
jhonyy9:
no
jhonyy9:
given that two sides are congruent
yes ?
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jhonyy9:
and parallel
Nicole:
SAS?
jhonyy9:
exactly but what is the second congruent side ?
Nicole:
JK and LM
Nicole:
but is 14 correct?
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jhonyy9:
yes this are congruent but you need two angles equale and again two sides
jhonyy9:
SAS
Nicole:
Got it
jhonyy9:
sure ?
Nicole:
Yes but these are last questions I need checked please
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jhonyy9:
what ?
jhonyy9:
but you dont wrote these above correct
12 - SAS
13 is true
Nicole:
Yes I got those but what about the ones I posted?
jhonyy9:
sorry 12 is SSS
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jhonyy9:
first is true but second not is
jhonyy9:
the diagonale is common congruent side