Answer:
128
Step-by-step explanation:
Answer:
31.42 m
Step-by-step explanation:
10* π= 31.415( which can round to 31.42)
Answer:
81
Step-by-step explanation:
Sorry this question does not sense..... 81
is evaluated
maybe I don't understand the terminology
Answer : 12.56 inches²
Explanation :
Diameter is twice the radius.
Radius = 4 ÷ 2 = 2 inches
Area = 3.14r² = 3.14 × 2² = 12.56 inches²