Question

three coin of same measure (1cm radius) are kept on a table in such a way that they touch each other. The area of the field formed by the coin in between is​

Answer 1

Answer:

Radius of each coin =1 cm

With all the three centres an equilateral triangle of side 2 cm is formed.

Area enclosed by coind = Area of equilateral triangle −3× Area of sector of angle 60

o

=

2

3

(2)

2

−3×

360

60

×π(1)

2

=

4

3

×4−3×

6

1

×π

=(

3

−

2

π

) cm

2