[" In a "/_ABC," if "cot A cot B cot C>0" then the "],[" triangle is "],[[" 1) acute angled "," 2) right angled "],[" 3) obtuse angled "," 4) can' i be decided "]]

In a Delta ABC, If cot A cot B cot C>0 then the triangle is

If for Delta ABC,cot A cot B cot C>0 then the triangle is

For a /_\ABC, if cotA.cotB.cotCgt0 , then nature of the triangle is (A) acute angled triangle (B) right angled triangle (C) obtuse angled triangle (D) none of these

In a triangle ABC,if a cot A+b cot B+c cot C=

Classify these triangles as right, acute or obtuse angled triangle.

In Delta ABC, if cot""A/2: cot""B/2:cot ""C/2=1:4:15 , then the greatest angle of the triangle is

If in a triangle ABC, tanA+tanB+tanC>0 the triangle is (A) acute angled triangle (B) obtuse angled (C) right angled (D) none of these

Can a triangle have An obtuse angle and an acute angle