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Lime
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Here we go again. Tired of these yet? Obtuse triangles. <DGF = 84°, then <DEF = ?°
42°
84°
48°
none of these
 2 years ago
 2 years ago
Lime Group Title
Here we go again. Tired of these yet? Obtuse triangles. <DGF = 84°, then <DEF = ?° 42° 84° 48° none of these
 2 years ago
 2 years ago

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Lime Group TitleBest ResponseYou've already chosen the best response.0
The sum of interior angles in an obtuse triangle is 180°.
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
I'm pretty sure I have gotten this down. 180°  84° = solution.
 2 years ago

campbell_st Group TitleBest ResponseYou've already chosen the best response.2
well the 2 curved arcs that make DGF also make DEF.. so I'd say the angles are equal... and in a kite those angles are equal...
 2 years ago

campbell_st Group TitleBest ResponseYou've already chosen the best response.2
oh and the triangle DGF is reflected in the line DF to form DEF...
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
With the answers provided, "none of the above" would be equal to 96°, yes?
 2 years ago

campbell_st Group TitleBest ResponseYou've already chosen the best response.2
the angles DEF and DGF are not supplementary... which is what you have done... they are congruent
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
\[\angle DGF ≅ \angle DEF \] by ASA method?
 2 years ago

campbell_st Group TitleBest ResponseYou've already chosen the best response.2
but I don't think you need to prove congruency... just recognise the equal angle markings..
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
84° is equal to 84°.
 2 years ago

campbell_st Group TitleBest ResponseYou've already chosen the best response.2
correct
 2 years ago
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