Question

20. Case study based 4
In a class activity Sheena done a block painting on a square handkerchief as shown in figure. She made nine
designer circles each of radius 7cm.
А A
B
(a)What is the area of nine circles?
i) 154cm2 ii) 145cm? iii)1386cm? iv)18362
(b)What is the side of the square?
i) 22cm ii)44cm iii)24cm iv)42cm
(c)What is the area of square?
i) 1764cm? ii) 1674cm² iii) 1476cm2 iv)1746cm?
AD
(d)What is the area of remaining portion of square?
i) 837cm2 ii) 378cm2 iii) 738cm iv)383cm?
(e)The given problem is based on which mathematical concept
i) Areas related to circles ii)Circles iii)Constructuion iv)none of these
C​

Answer 1

Step-by-step explanation:

(a) (iii) 1386cm

(b) (iv) 42cm

(c) (iv)1764cm

(d) (ii) 378cm²

(e) (I)Areas related to circles

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Answer 2

Answer:

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