Question

two cylinder have their redii in the ratio 4:5 and hight 5:6 find the rate of there curved surface area

Answer 1

CSA 1 / CSA 2 = 2 pie r1 h1 / 2 pie r2 h2
= r1 h1/r2 h2
= r1/r2 . h1/h2
= 4/5.5/6
= 4/6
= 2/3

Answer 2

Answer:

photosynthesis is the process by which green plants prepare food