The correct answer is C undefined
He will need 17 inches of ribbon.
The diagonal splits the square into two right triangles. We can then use the Pythagorean theorem to find the length of the diagonal (the hypotenuse of the triangle):
12² + 12² = x²
144 + 144 = x²
288 = x²
Take the square root of both sides:
√288 = √x²
16.97 = x
17≈x
Answer:
sorry i cant, but download photo math it will help alot
Step-by-step explanation:
You know that she runs 4 miles every day, so we can set up the equation:

For any given day you just plug that number in for 'd' and it will give you the total number of miles.
Sin 27=11/a
a=11/sin 27
a=24.2