D & F
Step-by-step explanation:
D scale because all sides are different lengths
F obtuse because one angle is greater than 90 degrees
Look up definition of the other properties and you will see they don't apply
The am not sure but i belive the answer is 74.60
135 because vertical angles are congruent
Answer:
18/21
Step-by-step explanation:
True
for example 3 is a natural number and its also rational because it can be written in the form a/b ( that is 3/1).