British = centre, American = center. I tend to follow British. (CAT generally does so as well, by the way). Other words like that include sceptre and spectre and metre…
regards
J
I used to think that centre means actually in the middle, and center is some place.. for some activity or something like that!
CAT-holics 
test reply
Hi J,
Is it actually an incenter or is it a typo in the post? 🙂
Regards
Harsh
Which one Harsh? Incentre is the intersection of angle bisectors…orthocentre is that of altitudes.
regards
J
I meant the spelling 🙂
British = centre, American = center. I tend to follow British. (CAT generally does so as well, by the way). Other words like that include sceptre and spectre and metre…
regards
J
I used to think that centre means actually in the middle, and center is some place.. for some activity or something like that!
Thanks 🙂
sir,
How to find the orthocentre of the triangle if three vertices are given and answer should be in vertex