Question

WILL GIVE MEDAL

Answer 1

@jim_thompson5910 @Directrix

Answer 2

your thoughts on this?

Answer 3

I think it is D.

Answer 4

hint (see attached)

Answer 5

hopefully you can see that the red angles I marked are NOT vertical angles

Answer 6

btw this question belongs in the math section. Not the writing section

Answer 7

I didn't notice I was in writing.

Answer 8

So it would be C?

Answer 9

another hint: if we know two triangles are congruent, then the corresponding pieces are congruent

Answer 10

it's like saying

if house A = house B

then door A (of house A) is the same as door B (of house B)

Answer 11

So, B?

Answer 12

what property I'm describing is CPCTC

http://www.mathopenref.com/cpctc.html

Answer 13

Can you help me with 1 more

Answer 14

sure

Answer 15

on page 2 of this pdf

http://www.nhvweb.net/nhhs/math/mschuetz/files/2012/11/Section-3-3-2012-2013.pdf

you'll see the `Converse of the Same-Side Interior Angles Postulate`

Answer 16

the adjacent angles add to 90+90 = 180 degrees, so that means they are supplementary. Then you use the theorem I pointed to in the PDF

Answer 17

Sp,B then?

Answer 18

on page 2 of this pdf


http://www.nhvweb.net/nhhs/math/mschuetz/files/2012/11/Section-3-3-2012-2013.pdf


you'll see \(\Large \text{Converse of the}{\bf{\text{ Same-Side Interior }}}\text{Angles}\)

Answer 19

C?

Answer 20

yes