Question

Can someone help me with this?

Answer 1

Answer: 121

Step-by-step explanation:

11 x 11 is 121 so same number of rows and columns

Answer 2

Answer:

1260=(2-n)180

1260=360-180n

1260_360=-180n

900= -180n

n=900/-180

n= -5

n=

900/-180