Examples:
3 x 2 = 6
7 x 2 = 14
Both are greater than 2 .
Counter examples:
1 x 2 = 2
-6 x 2 = -12
Not greater than 2 .
Answer:
The answer is C.) m∠RCD = m∠ACD ÷ 2
RCD = ACD divided by two.
RCD = 90 degrees
ACD ÷2 = 180÷2 = 90 degrees.
So, your answer is C.
Hope this helped. Have a grey day!