Question

1. Determine if the following are in proportion.
(a) 15, 45, 40, 120 (b) 33, 121,9.96
(d) 32, 48, 70, 210 (e) 4, 6, 8, 12
(c) 24, 28, 36, 48
(f) 33, 44, 75, 100​

Answer 1

Answer:

if

Step-by-step explanation:

angle a and angle opposite angles and angle X is equals to 80 degrees then why is equals to