Answer:

Step-by-step explanation:
using the cosine ratio;

From the question, the side of the right angle triangle that is adjacent to the measured <a,(i.e BAC) is AC=24 and the hypotenuse is AB=25
This implies that,

Answer:
b 5 a 6 b 7
Step-by-step explanation:
Answer:
but anyways the answer is −4, 4
Step-by-step explanation:
I think the circle would grow bigger into an oval.
Answer:
Yes
Step-by-step explanation:
Yes they are because if you divide 18 by 3 you get six and if you divide 15 by 3 you get 5, so it simplifies to 6:3 which is the same as the ratio for rings