Answer:
I believe it is not. that would mean 7=-3+15 and therefore 7=12, which is not a true statement.
30 degrees is the value of the missing angle. Since, this triangle is known as an Isosceles all angles are equal.
Answer:
C. R = 17.9 degrees
Step-by-step explanation:
We have a rectangle triangle with the adjacent side and the opposite side (neither of which are the hypotenuse).
The relation between those elements is the tangent:

So, to isolate the angle, we modify the formula as such:

If we round 17.87 degrees to the tenth... we get 17.9 degrees.
The correct answer is the third option. I just got it correct.
Answer:
Natural/Counting Numbers
Step-by-step explanation:
It is the smallest subset a number can classify into. It is all of the numbers from 1 to positive infinity.