Answer:
1. 12
2.
or about 3.14
3. 4.5
or about 14.13
4. 12 + 5.5
or about 29.27
Step-by-step explanation:
1. The rectangle is 6 by 2
6 * 2 = 12
2. They would combine to form a circle with radius 1, so
=
, or if you use 3.14 for pi you get 3.14
3. The radius is 3 and it's half of a full circle, so
, or if you use 3.14 for pi you get 14.13
4. Adding all of these together, you get 12 + 5.5
or if you use 3.14 for pi you get 29.27