state gov TSPSC DAO (Divisional Accounts Officer) Mock Test 2024 Quantitative Aptitude Geometry Circles, Chords and Tangents
Four identical circles with radius of 2 cm are drawn touching each other. A circle is drawn in between these four circles touching these four circles. Then, the radius of this circle is –
1
2(√2 + 1) cm
2
2(√2 – 1) cm
3
2(√3 – 1) cm
4
3(√2 – 1) cm