Cynthia quiere calcular el área de un sector de un circulo cuyo radio mide 14 centimetros.¿ cual dato adicional debe saber Cynthia para calcular el area? a. el diametro
b. la circunferencia
c. las coordenadas del centro
d. la medida el angulo central​

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp