The area of a circle is 49π m². What is the circumference, in meters? Express your answer in terms of π

C≈24.81  

Step-by-step explanation:

Using the formulas  A=πr2

C=2πr Solving for C

C=2πA=2·π·49≈24.81435

HOPE THIS HELPS

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.