Question

A photograph is 18 cm by 12 cm. It is to be surrounded by a frame of uniform width whose area is equal to that of the photograph. Find the width of the frame

Answer 1

Width of the frame = 54 cm

Explanation:

1. Find area of the frame = l*h = 18*12 = 216 cm
2. Area of the frame = area of the photograph = 216 cm
3. Use the given fact, photograph is surrounded by a frame of uniform width = all sides are equal.
4. width of the frame = 216/4 = 54

Source: TutorEye