Question

four circles of radius 1 each are inscribed in a large circle the large circle is tangent to every smaller circle. each smaller circle is tangent to the large circle and to two small circle. what is the radius of large circle. ​

Answer 1

Answer:

₸ҤE ƦλÐłU$ Ø₣ ₸ҤE ₸₩Ø ₡łƦ₡ŁE ł$ 4 + 6 = 10 ₡M.