It depends on which triangle you are trying to find out for.
Scalene triangles have 0 lines of symmetry.
Isosceles triangles have at least 1 line of symmetry.
Equilateral triangles have at least 3 lines of symmetry.
Answer:
6x
Step-by-step explanation:
Given that a function f(x) is given as

A) 
Now divide by delta x

B) When delta x tends to 0, this becomes

(NOte: This is the derivative of f(x))
-2x3 -5x2 assuming that this is written in exponential form
Answer is 98°.
You must add both degrees and then subtract from 180°.
Answer:
m =64/3
Step-by-step explanation:
m=21 1/3 m=21.3