What is the angle of indenter in Vicker‚Äö√Ñ√∂‚àö√ë‚àö¬•s hardness test?$

What is the angle of indenter in Vicker‚Äö√Ñ√∂‚àö√ë�

1.	What is the angle of indenter in Vicker‚Äö√Ñ√∂‚àö√ë‚àö¬•s hardness test?$
A.	96 degrees
B.	110 degrees
C.	136 degrees
D.	150 degrees
Answer» D. 150 degrees