Question
Wed March 10, 2010 By: Bhav Simran Kaur

plz answer soon tomorrow is exam plzzzzzzzzzzz

Expert Reply
Wed March 10, 2010

OA = Side of square = 20 cm

OB = Diagonal of square = 202 cm = Radius of the quadrant.

Solution to Q 13 Exercise 12.3 NCERT Class X.

Area of shaded region = Area of quadrant - Area of square,

= π(OB)2/4 - OA2

= (3.14)(20x20x2)/4 - 202

= 228 cm2

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