Question

2) Foe which triangle do the
do the Circumcentre
and in Centre Coincide ?​

Answer 1

${\huge{\mathcal{\blue{Equilateral\: triangle}}}}$

Centroid and centre of circum circle (circum centre) of equilateral triangle coincide.

Answer 2

$\LARGE{ \underline{\underline{\sf{Equilateral\: triangle}}}}$