Find the radius of a circle in which the central angle of (pie /4 ) radian determines a sector with an area of 86m^2

a-14.80m
b-20.92m
c-68.44 m
d- 10.46m

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.