To find the contrapositive, you negate the hypothesis and the conclusion of the statement, and then switch their positions in the statement such that the conclusion becomes the hypothesis and vice versa:
If two variables are directly proportional, then their graph is a linear function.
If two variables are not directly protional, then their graph is not a linear function.
So you question is most likely about a triangle DEF with the 3 angles being named D, E, F. The triangle would look something like the image attached below.
If that is what is being asked then i need more info to answer but
By Definition it would be 180 degrees.
Answer:
21
Step-by-step explanation:
21
Answer:
5n + 20
Step-by-step explanation: