Question

the measure of DE is 108. What is the measure of the tangent chord angle DEF?

Answer 1

@SmokeysTheName @zepdrix @jim_thompson5910

Answer 2

i'm not sure about this one. its been awhile since ive done this. sorry /:

Answer 3

it's alright @SmokeysTheName

Answer 4

@jim_thompson5910 @zepdrix

Answer 5

@Mertsj

Answer 6

check out this page

http://www.mathwarehouse.com/geometry/circle/angle-tangent-and-chord.php

Answer 7

@jim_thompson5910 so it's 1/2 m ABC? :) So you divide 108 by 2?

Answer 8

yep that's all there is to it

Answer 9

cool!! I got 54? :)

Answer 10

good, so angle DEF = 54 degrees

Answer 11

Thank you!!!

Answer 12

yw