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mylen [45]
3 years ago
15

Shivani hangs a picture that is 40cm long and 28cm wide in the centre of a panel leaving a border of 1cm on all sides. Find the

area of the panel uncovered by picture.​
Mathematics
1 answer:
Stolb23 [73]3 years ago
4 0

Answer:

Area of panel (Uncovered) = 140 cm²

Step-by-step explanation:

Given:

Length of picture = 40 cm

Width of picture = 28 cm

Length of picture with border = 40 + 1 + 1 = 42 cm

Width of picture border = 28 + 1 + 1 = 30 cm

Find:

Area of panel (Uncovered)

Computation:

Area of panel (Uncovered) = Area of panel - Area of picture

Area of panel (Uncovered) = (42 x 30) - (40 x 28)

Area of panel (Uncovered) = 140 cm²

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