Answer:
13,5
Step-by-step explanation:
Find the length of the diagonal lines with Pythagorean theorem, and because it is already given that the lengths of the sides of the preformed shape are all equal, graph the 6th point with your information.
Answer:
Step-by-step explanation:
sum of angles of a triangle= 180°
x+2x+2x+10=180
5x+10=180
5x=170
x=170/5
x=34
.:
x=34°
2x=34×2=68°
2x+10=2×34+10=68+10=78°
Answer:
hi
Step-by-step explanation:
60 is the correct ans
Answer:
is used to prove the given equation.
Step-by-step explanation:
We have given an equation:

We will consider right hand side first
tan x can be written as:

So, on substituting tan x in the left hand side of the given equation we get:

Cancel common term from denominator and numerator which is cosx we get

And we have an identity:


Hence, right hand side is equal to
.