# Areas Related to circles chap 12

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Excercise 12. 3

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## Presentation Transcript

### 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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