Answer: 8 and 9
Step-by-step explanation:
8 times 9 equals 72
9 minus 8 equals 1.
Cosine(angle) = adjacent leg/ hypotenuse
Cosine( angle ) = 18/20
Angle = arccos(18/20)
Angle = 26 degrees
Answer:
سيرة ذاتية ؟؟