Using Pythagorean theorem, we can find that DG is 10.(I don't think I need to explain this)
Now cosD means the adjacent side over the hypotenuse.
The side adjacent to <D is 6 and the hypotenuse is 10 so
cosD=6/10=3/5
Which means the correct answer is choice D.
Hope this helped!
Answer:
Hello! I just took the test not too long ago the answer is -3
Have a good day! please mark brainliest!
The Pythagorean Theorem is geometry among the three sides of a right triangle . <span>It states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides. </span>
Answer:456 thatas the answer
Step-by-step explanation:
