Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Three circular coins each of radii 1 cm are kept in an equilateral triangle so that all the three coins touch each other and also the sides of the triangle. Area of the triangle is a.
(
4
+
2
3
)
cm
2
(4 + 2\sqrt{3}) \text{ cm}^2
(
4
+
2
3
)
cm
2
b.
1
4
(
12
+
7
3
)
cm
2
\frac{1}{4}(12 + 7\sqrt{3}) \text{ cm}^2
4
1
(
12
+
7
3
)
cm
2
c.
1
4
(
48
+
7
3
)
cm
2
\frac{1}{4}(48 + 7\sqrt{3}) \text{ cm}^2
4
1
(
48
+
7
3
)
cm
2
d.
(
6
+
4
3
)
cm
2
(6 + 4\sqrt{3}) \text{ cm}^2
(
6
+
4
3
)
cm
2
Browse the problem library