In ∆ABC shown below, ∡BAC is congruent to ∡BCA. Given: Base ∡BAC and ∡ACB are congruent. Prove: ∆ABC is an isosceles triangle. When completed, the following paragraph proves that is congruent to making ∆ABC an isosceles triangle.

Question

In ∆ABC shown below, ∡BAC is congruent to ∡BCA.   Given: Base ∡BAC and ∡ACB are congruent.  Prove: ∆ABC is an isosceles triangle.  When completed, the following paragraph proves that  is congruent to  making ∆ABC an isosceles triangle.

zeesbrat3 · Answer

Construct a perpendicular bisector from point B to . 
Label the point of intersection between this perpendicular bisector and  as point D. 
m∡BDA and m∡BDC is 90° by the definition of a perpendicular bisector. 
∡BDA is congruent to ∡BDC by the definition of congruent angles. 
 is congruent to  by by the definition of a perpendicular bisector. 

∆BAD is congruent to ∆BCD by the _______1________. 
 is congruent to  because _______2________. 
Consequently, ∆ABC is isosceles by definition of an isosceles triangle.

anonymous · Answer

Which assessment in flvs is this?

zeesbrat3 · Answer

10-1

zeesbrat3 · Answer

@J.L.

anonymous · Answer

I think you're missing some info in your question

zeesbrat3 · Answer

I have the multiple choice, but thats all that I didnt post

anonymous · Answer

Look again

zeesbrat3 · Answer

im not missing anything

anonymous · Answer

Were the second blank is it says _is congruent to _ because

zeesbrat3 · Answer

right, that is the question

anonymous · Answer

1. is the definition of a perpendicular bisector
2. you need to post which line segments you're talking about

zeesbrat3 · Answer

That narrows it down to one..