Answer:
5+4 = 9
6+4 = 10
7+4 =11
Step-by-step explanation:
None of the above because it will be 3.2 or -3.2
Let's list what we know.
We know 6 + d is the same as 21
We can use this.
6+d=21
Subtract 6 from both sides
d=15
So d=15
Answer:
43.98 (44) Circumference
Area: 153.94 (154)
Step-by-step explanation: