Question

In ∆ABC shown below, AB is congruent to BC.

Given: AB = BC. Prove:

Prove: The base angles of an isosceles triangle are congruent.

The two-column proof with missing statement proves the base angles of an isosceles triangle are congruent.

Answer 1

Let's start from the top. It mentions segment BD; do you know where point D is?

Answer 2

Point D isn't marked, so.. no..

Answer 3

Use your imagination.

Answer 4

It says, "by construction." That means you draw it in yourself.

Answer 5

I don't know what the reflexive property is though, so I can't fill in the missing statement please narrow it down for me or something I'm so confused.

Answer 6

This is my last question, please!

Answer 7

Which statement can be used to fill in the numbered blank space?
BD ≅ AC
BD ≅ BD
AC ≅ AC
AD ≅ DC

Answer 8

You have access to internet search engines; I'm sure you can easily look up the definition of 'reflexive property.'
Use your resources!

Answer 9

Okay, but can you eliminate 2 answers for me?

Answer 10

Wait the reflexive property is a=a so would the answer be BD≅BD?

Answer 11

Bingo.
AC=AC also by reflexive property, but that won't give you the information you need for SAS.

Answer 12

YES! I'm so glad I got this, haha. And you didn't just give me the answer either, so I got it on my own yay thank you so much :)

Answer 13

That's the best way to learn. ;-)

Check out TheMathPage.com and mathwarehouse.com for great info on geometry.
Probably would be a good idea to read Euclid's Elements too http://aleph0.clarku.edu/~djoyce/java/elements/elements.html

Answer 14

I don't know

Answer 15

@abbacus haha, it's okay, i already answered it and got it right. @CliffSedge thank you, i'll use that website :)