needabrainlytutor
needabrainlytutor needabrainlytutor
  • 12-04-2016
  • Mathematics
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Please help with 7 8 or 9 nine is optional

Please help with 7 8 or 9 nine is optional class=

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apologiabiology
apologiabiology apologiabiology
  • 12-04-2016
7. acute means all angles are less than 90
right triangle mean that one angle is 90 degrees
it is not posible for all angles to be less than 90 and one angle is 90 so this is not possible

8. equilateral triangle has all equal angles
180 degrees per triangle
3 angles
180/3=60
each angle=60
acute means lal angles less than 90
all angles=60
60<90
true

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