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Here we go again. Tired of these yet? Obtuse triangles. <DGF = 84°, then <DEF = ?°
42°
84°
48°
none of these
 one year ago
 one year ago
Here we go again. Tired of these yet? Obtuse triangles. <DGF = 84°, then <DEF = ?° 42° 84° 48° none of these
 one year ago
 one year ago

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LimeBest ResponseYou've already chosen the best response.0
The sum of interior angles in an obtuse triangle is 180°.
 one year ago

LimeBest ResponseYou've already chosen the best response.0
I'm pretty sure I have gotten this down. 180°  84° = solution.
 one year ago

campbell_stBest 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...
 one year ago

campbell_stBest ResponseYou've already chosen the best response.2
oh and the triangle DGF is reflected in the line DF to form DEF...
 one year ago

LimeBest ResponseYou've already chosen the best response.0
With the answers provided, "none of the above" would be equal to 96°, yes?
 one year ago

campbell_stBest 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
 one year ago

LimeBest ResponseYou've already chosen the best response.0
\[\angle DGF ≅ \angle DEF \] by ASA method?
 one year ago

campbell_stBest ResponseYou've already chosen the best response.2
but I don't think you need to prove congruency... just recognise the equal angle markings..
 one year ago
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