Question

Given the figure, find the measures of angles 1 and 2.

Answer 1

hint: <2= 1/2 (arc CE + arc DF)

Answer 2

80

Answer 3

to find <1, you should find arc EF first

Answer 4

how do i find that?

Answer 5

remember the total degrees in a circle?

Answer 6

\[100+30+60=360?\]

Answer 7

actually

100+90+60+x=360
solve for x which would be arc EF

Answer 8

oh right!

Answer 9

wait, theres a simpler method

what do <1 and <2 form?

Answer 10

im not sure

Answer 11

dont they form a line?

Answer 12

yes

Answer 13

and lines have a measure of 180, correct?

Answer 14

100?

Answer 15

yes

Answer 16

@nikato thanks for your help :)

Answer 17

no problem