can you help me with math these questions??
follow this link to see the math questions:http://jvnation.tumblr.com/

Question

can you help me with math these questions?? 
follow this link to see the math questions:http://jvnation.tumblr.com/

anonymous · Answer

please help I don't understand.

anonymous · Answer

a=b are bases of triangle

b = 1 are corresponding 

a=2 are alternating

1=2 are substitution

anonymous · Answer

2nd question

3=4 because that is the given

1=2 is a complementary angle
rest is tricky

directrix · Answer

Second Proof:

1. <3 ≅ <4
2.  Supplementary                              2.  Exterior
3. <1 ≅ <2                                         3.  Two
4.  Reserved for @jvnation                   4. ≅ (your text may say "equal")