I'd say the correct answer is D bc it's talking about the SAS theorem, excuse me if I'm wrong tho.
Answer:
B. No

Step-by-step explanation:
-A right angle triangle has two complimentary acute angles and one right angle.
-
is usually one of the acute angles and is equivalent to 90º minus it's complimentary acute angle.
-Complimentary angles add up to 90º.
#For complimentary angles:

The two acute angles cannot have the same Cosine value.
Hence, she's not correct.
Answer:
what grade are you in
Step-by-step explanation:
The answer should be A and D
If you do 4/7 divide by 2 the answer is 0.2857