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

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

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

campbell_st
 3 years ago
Best ResponseYou've already chosen the best response.2well 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...

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

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

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

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

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