We know, ball is a Sphere.
Surface area of sphere = 4πr²
A = 4 * 3.14 * (1)²
A = 12.56 Ft²
In short, Your Answer would be 12.56 Ft²
Hope this helps!
The equation for finding the area of a circle is
* r². The approximate area of the disc is 181.3664
First off who needs 75 cards?? Emily signed 2/5 or .4 of 75 so EMILY SIGNED 30 CARDS (caps helps me stay organized) Josh, that slacker, signed 1/9 or .11(repeating) of the remaining 45 cards so JOSH SIGNED 5 CARDS there are 40 unsigned cards and Tatiana signed 2/10 or .2 of them so TATIANA SIGNED 8 CARDS so 40-8=32 there are 32 cards left
Answer:
x^9-1,0^3
and you can use Microsoft maths solver to help you it help solve and explain how to do the math