Question

a round digital wristwatch has a rectangular display inside it. Find the area around digital display,if the length and breadth of the rectangular display is 7 cm and 5 cm, respectively , and diameter of the watch is 12cm​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer

Length of rectangle = 7 cm

Breadth of rectangle = 5 cm

Area = length × breadth

= 7 × 5

= 35 cm

Diameter = 12 cm

Radius = 1/2 of diameter

= 6 cm

Area = π r^2

= 3.14 × 6 × 6

= 113.04 cm

Area around digital display

= Area of circle - Area of rectangle

= 113.4 - 35

= 78.04 cm