Question

What’s the area all sides meet at right angles

Answer 1

Answer: 54

Step-by-step explanation: I separated it into 3 areas in my head and then added up 21+21+12 to get 54

7 times 3 is 21

7 times 3 is 21

and

3 times 4 is 12

sorry if i am wrong i just did this in my head