Question

Find the value of each variable using the given chord, secant, and tangent lengths. If the answer is not a whole number, round to the nearest tenth.

Answer 1

(11+20)11=(13+c)13
21*11=
231=
that is as far as ive gotten

Answer 2

right side also distribute and simplify

Answer 3

oh ok

Answer 4

@ganeshie8 i think that i am doing this wrong

(11+20)11=(13+c)13
21*11=169+13c
231= 169+13c
-169 -169
62=13c
62/13=13c/13
7.769=c

however my book says it is 13.2 i dont see how

Answer 5

http://openstudy.com/study#/updates/5300dd8ce4b018b58423e02b

Answer 6

wolfram also says 13.2

let me take a good look at ur work :)

Answer 7

ok

Answer 8

mistake in second line

Answer 9

(11+20)11=(13+c)13
21*11=169+13c ********************
231= 169+13c
-169 -169
62=13c
62/13=13c/13
7.769=c

Answer 10

11+20 = 31

not 21 ok ?

Answer 11

oh hehe i cant add now -_-

Answer 12

thanks

Answer 13

i got 13.2 now

Answer 14

lol

Answer 15

good :)