It is true, how??Here is explanation:
Consider a quadrilateral ABCD .Join diagnol AC so two triangles ABC & ACD will form.
Sum of interior angles of ABC is 180 and that of ACD is 180 as well.So, the total sum of the interior angles of ABC & ACD is 360 which is the sum of interior angles of quadrilateral itself.
Answer: 8 balloons per box
8x18 + 8x12 = 144+96 = 240
The total amount of her savings 12,058.78
Answer:
The answer is: 5/20 or a 25% chance