AREAS RELATED TO CIRCLES: AREAS RELATED TO CIRCLES CHAPTER – 12
EXERCISE - 12.3
QUESTION 5 :- From each corner of a square of side 4 cm a quadrant of a circle of radius 1 cm is cut and also a circle of diameter 2 cm is cut as shown in the Fig. Find the area of remaining portion of square.: QUESTION 5 :- From each corner of a square of side 4 cm a quadrant of a circle of radius 1 cm is cut and also a circle of diameter 2 cm is cut as shown in the Fig. Find the area of remaining portion of square.
QUESTION 6:- In a circular table cover of radius 32 cm, a design is formed leaving an equilateral triangle ABC in the middle as shown in Fig. Find the area of the design (shaded region).: QUESTION 6:- In a circular table cover of radius 32 cm, a design is formed leaving an equilateral triangle ABC in the middle as shown in Fig. Find the area of the design (shaded region).
QUESTION 7:- In fig. ABCD is a square of side 14 cm. With centers A, B, C and D, four circles are drawn such that each circle touch externally two of the remaining three circles. Find the area of the shaded region.: QUESTION 7:- In fig. ABCD is a square of side 14 cm. With centers A, B, C and D, four circles are drawn such that each circle touch externally two of the remaining three circles. Find the area of the shaded region.
QUESTION 8:- Fig. depicts a racing track whose left and right ends are semicircular. The distance between the two inner parallel line segments is 60 m and they are each 106 m long. If the track is 10 m wide, find : (i) The distance around the track along its inner edge (ii) the area of the track.: QUESTION 8:- Fig. depicts a racing track whose left and right ends are semicircular. The distance between the two inner parallel line segments is 60 m and they are each 106 m long. If the track is 10 m wide, find : (i) The distance around the track along its inner edge (ii) the area of the track.
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