Yes.
473 + 161/4 = 634/4 = 158.5
Answer:
150
Step-by-step explanation:
150+30=180 (180= straight line)
We know that
In any quadrilateral where the vertices are on the circumference of a circle, the opposite angles add up to

degrees.
So,
in this problem

therefore
the answer is
Answer:

Step-by-step explanation:
Se simplifica inicialmente la fórmula en términos de las funciones trigonométricas fundamentales (Initially, the formula is simplified in terms of fundamental trigonometric functions):




Answer:
First question is B
Second question is also B :)
Step-by-step explanation: