Janie cut a round slice of watermelon into 3 equal pieces. what's the angle of each piece?

Look at attachment. has all info needed. need

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.