The radius of a wheel is 7 cm. In covering 44 km, how many revolutions will it make?
9th grade math
3rd side= 2x 1st side(shorter) 1st side=2nd side 2x+2x=31 4x=31 x=31/4=7.75 3rd side= 2*x-1 2*7.75-1= 14.5 1st side and 2nd side= 14.5 3rd side=2cm Ans. 14.5cm, 14.5cm, 2cm
9th grade polynomials