Reggie's family is planning to put an above ground swimming pool in their back yard. Their yard is a 49 ft by 92 ft rectangle and the pool will be a circle with a diameter of 20 ft, as shown below. They will fill the rest of their yard with grass. Approximately how many square feet of their yard will be grass?

1,918

step-by-step explanation:

hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2

7,24

step-by-step explanation: