Question

9sq.cm
10sq.cm
11sq.cm
15sq.cm​

Answer 1

Answer:

21

Step-by-step explanation:

first part is 3*1=3

second one is 5*(5-1-1)=15

and last one is 3*1=3

than add this all we get 3+15+3 which is 21

Answer 2

21

thi is the answer

it is write answer