Sagot :
SIN EQUALS OPPOSITE OVER HYPOTENUSE
SIN=WIDTH OVER 40 = 0.75
3=L X W
L=W X 3
L=0.75 X 3 = 2.25
SIN=WIDTH OVER 40 = 0.75
3=L X W
L=W X 3
L=0.75 X 3 = 2.25