45 is correct
I personally find the phrasing of the statement odd...
"All equilateral triangles are acute"
sounds like it's staying that the triangle is acute (idk what that would mean...)
"All equaliteral triangles' angles are acute" would be more true...
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OpenStudy (anonymous):
so they r both correct?
jigglypuff314 (jigglypuff314):
the second might be wrong... I'm not sure :/
OpenStudy (anonymous):
1. Given
2. By definition of Angle Bisector
3. By reflexive property of equality
4. Given
5. By definition of Angle Bisecto
6: ASA
jigglypuff314 (jigglypuff314):
all correct :D
OpenStudy (anonymous):
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jigglypuff314 (jigglypuff314):
8. isosceles
|dw:1385953889563:dw|
jigglypuff314 (jigglypuff314):
9. HL means: Two right triangles are congruent if the hypotenuse and one corresponding leg are equal in both triangles.
OpenStudy (anonymous):
Soo... Would it be 90*
jigglypuff314 (jigglypuff314):
8 would be (180-93.5) / 2 =
OpenStudy (anonymous):
173
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jigglypuff314 (jigglypuff314):
(180-93.5) / 2 =
86.5 / 2 =
OpenStudy (anonymous):
is this / divided?
jigglypuff314 (jigglypuff314):
yeah
OpenStudy (anonymous):
43.25
jigglypuff314 (jigglypuff314):
yep :)
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