The length of the first rectangle is 31.6cm and its breadth is 7.5 cm and the area of the second rectangle has length 28.4 cm and breadth is 13.8 cm
What is the area of the first rectangle?
What is the area of the second rectangle?
Which is having greater area and by hwo much?
Find the perimeter of the first rectangle
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Answer:
angle and field size. ... diameter 48 cm, ring width 20 cm and gap width between both rings 31.6 cm.
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SOLUTION :--
i) Area of 1 st rectangle = length × breath
= 31.6cm × 7.5 cm
= 237.00 cm²
ii) Area of 2 nd rectangle = length × breath
= 28.4 cm × 13.8cm
= 391.92 cm²
iii)Area of 2nd rectangle - Area of 1st rectangle
=》 391.92cm² - 237.00cm² =》 154.92 cm²
iv) perimeter of 1st rectangle = 2(length+breath)
= 2(31.6+7.5)
= 2 × 39.1
= 78.2cm
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