Question

Secants AC and BD intersect at point E inside F. What is the measure of AED?

Answer 1

first, u have find out the measure of angle <DEC based in figure

Answer 2

<DEC = (30+50)/2 = ...

Answer 3

40?

Answer 4

yup
u are right

Answer 5

Thank you (:

Answer 6

then use the sum of angles
<DEC + <AED = 180 degrees
40 + <AED = 180
<AED = 180 - 40 = ...