Question

Check my answers please

Answer 1

1. is correct 1 & 3 are vertical angles

Answer 2

no I'm trying to recall my memory xD Its been 7-10 years since I did geometry :)

Answer 3

My pleasure :)

Answer 4

m<1+m<2=180 degree

Answer 5

oh yes @mustafa2014 you are right definately its 180 how can i be so stupid

Answer 6

@mustafa2014 please check others too as I may have mistaken

Answer 7

ok

Answer 8

m<1+m<2=180
(3x-12)deg+(4x-18)deg=180deg

Answer 9

7x-30=180
7x=210
x=30 degree

Answer 10

nice thanks man!

Answer 11

yw :)

Answer 12

1st one is right ?? yes

Answer 13

yes

Answer 14

ok

Answer 15

m<2+m<3=180

Answer 16

m<1=(3x-12)deg
=3(30)-12=78 degree

Answer 17

m<2=(4x-18)deg
m<2=4(30)-18=102 degree

Answer 18

m<1=m<3
78=6y
y=13 degree

Answer 19

you are welcome :)