What is the value of r? What is the length of EB?

Question

asked Mar 2, 2021 137k views

1 Answer

Bruce Martin · Answer 1 · 2021-03-08T17:22:43+0000

Answer:

r=9

EF = 55

Explanation:

CF = ED

9r - 6 = 8r+3

Subtract 8r from each side

9r-8r - 6 = 8r-8r+3

r-6 =3

Add 6 to each side

r-6+6 = 3+6

r = 9

EF= CD = 4r+19

= 4*9+19

=36+ 19

=55