No.
Because the angles would equal 170. Every triangle MUST have the interior angles of 180 degrees.
Answer:
I cant read it can you take a better pic please
Step-by-step explanation:
Answer:
a). 
b). V = 15 units
Step-by-step explanation:
Focal length F of a lens made by combining two lenses of different focal lengths U and V will be,

A). By solving the given formula,



B). If F = 6 and U = 10 then we have to find the value of V.
By substituting the given values in the formula,


V = 15 units
Therefore, focal length (V) of the lens = 15 units
Answer:
is valid for all values of x ≥ 0
Step-by-step explanation: