5. A photograph is framed. Dimension of the photo with
the frame is 8 cm by 6 cm and dimension without the
frame is 6 cm by 4.5 cm. Find the area of the frame.
Answers
Given:
A photograph is framed.
The dimension of the photo with the frame is 8 cm by 6 cm and dimension without the frame is 6 cm by 4.5 cm
To find:
The area of the frame
Solution:
The dimensions of the photo with the frame:
Length = 8 cm
Breadth = 6 cm
∴ The area of the photo with the frame is,
= length × breadth
= 8 × 6
= 48 cm²
The dimensions of the photo without the frame:
Length = 6 cm
Breadth = 4.5 cm
∴ The area of the photo without the frame,
= length × breadth
= 6 × 4.5
= 27 cm²
Now,
The area of the frame will be,
= [Area of photo with frame] - [Area of photo without frame]
= 48 cm² - 27 cm²
= 21 cm²
Thus, the area of the frame is → 21 cm².
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