Work out the area of the whole gage without the hole in it then work out the areas of the little holes.
The add the area of all the little holes and then take it away from the whole drill gage
Answer:
38.5 cm
Step-by-step explanation:
1. To find the radius divide 7 by 2 which is 3.5
2. Then multiply 3.5 by itself which is 12.25
3. Next multiply 12.25 by 3.14 ( 3.14 = = pi )
4. Lastly your answer will be 38.5
3 goes into 81, 27 times.
The answer is that the school is going to earn $1.40 for each ticket so thats the answer: $1.40
$1800 because you have to add eight + twelve + sixteen and multiply that by 50