Question

Ada yg tau g cara + jwbannya??


(caranya jg s tulis y!)

Answer 1

1) 3,14x10,5x10,5x16=5.538,96
2) 3,14x20x20x27=33.912
3) 9.240= 22/7x14x14xn
   9.240= 616n    
   n= 9.240:616
     =15
4) 2.826= 22/7xnxnx9
  2.826= 28,26n2
n2= 2.826:28,26
n2= 100
n= akar 100
n= 10