Answer:
50
Step-by-step explanation:
Line ED is a straight line. This means that it is 180. The other two angles combined are 130. Subtract 180 from 130 and you will get 50.
No. 43 is a prime number. It has no other factors besides ' 1 ' and itself.
Answer:
C = (2, - 1)
Step-by-step explanation:
Look at the picture
Given:
In triangle ABC, a = 6, c = 4, and B = 75°.
To find:
The measure of b.
Solution:
According to the Law of Cosine:
Substituting the given values in the above formula, we get
Taking square root on both sides, we get
The measure of side b is 6.29 units.
Therefore, the correct option is B.
Answer:
C: CosA =
Step-by-step explanation: