state gov DSSSB Junior Assistant, Steno and LDC Mock Test 2023 - 24 Quantitative Aptitude Geometry Triangles, Congruence and Similarity
Sides of a triangle are 12 cm, 9 cm and 9 cm. What is the radius of the circumcircle of this triangle?
1
181/√5
2
27/√5
3
(27√5)/10
4
54/√5