A slate is 30cm long and 25cm wide. It is surrounded by a wooden frame of width 2.5cm all around. John coloured the frame, do not consider the thickness of the frame. Find the area of coloured frame. ANWER ME GUYS
The overall dimension including frame: add 5 cm to the length and width
Frame area = Overall area - slate area
Fa = (35*30) - (30*25)
Fa = 1050 - 750
Fa = 300 sq/cm is the area of the frame