A = r² π
254.469 = r² π
r² = 254.469 : 3.14159
r² = 81.00866
r = 9.0048
C = 2 r π = 2 * 9.0048 * 3.14159 = 56.55 units
Answer:
11.5cm
Step-by-step explanation:
1.2 meters = 120 centimeters
(for the 9 of them, with each being 9.5cm) = 9 * 9.5
=85.5cm
(For The rest of the remaining 3 books): 120cm - 85.5cm
=34.5cm
Each of them would be 34.5 / 3
=11.5cm
I think that the answer is a because you only have to terms after you distribute hope this helps you
Because you added 14 cards to your collection, we'll have to subtract that:
40 - 14 = 26
Knowing that 26 cards is half of your old card deck, we know that your old card deck is:
26*2 = 52
You have option b. 52 cards before.
