If she gave each of her 10 friends 5 animal stickers 5×10 =50. shed have 75 left cuz 125-50=75
You can not divide by zero in math.
Side b is adjacent to the 30° angle so use cosine to solve. (soh cah toa)
cos(30°) = b/12
12*cos(30°) = b
cos(30°) is √(3)/2
12*(√(3)/2 ) = b
6√(3) = b
3 goes in the box
If the width is 2p then the width of both sides is 4p. Subtract that from the total perimeter and you get 16p-4p= 12p. Divide that by two because there are 2 side lengths. So, one side length is 6p.