I got 6 units^2. So the answer is the second choice. ab/2 = 3*4/2 = 6.
Answer:
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Answer:
Should be 5 in.
Step-by-step explanation:
C=2*Pi*R
31.4=2*3.14*R
substitute 5 for radius= 2*5=10
10*3.14=31.4
Answer:
4+6=10
Step-by-step explanation:
The answer is 78 feet of fencing. This is because you need to find the perimeter of the yard. To find the perimeter of the yard, you add the sides together, so 21+21+18+18 = 78.