Answer:
18.18%
Step-by-step explanation:
55-45=10
10/55=0.18
Answer:

Step-by-step explanation:

here,
a = 1,
b = k
c = 9
now,


Answer:
The radius is always half of the diameter.
Step-by-step explanation:
Answer:
254.34 in.²
Step-by-step explanation:
area = πr²
given, radius = 9 cm
according to formula
→ 3.14 × (9)²
→ 3.14 × 81
→ 254.34 in.² ans.
hope this helps you !