Answer:
Angles G and H are congruent.
Step-by-step explanation:
The correct answer is y = 1.5x, A.
I am sure it is because I took the K12 test. I used the answer from the other person that answered this, and got it wrong. I reviewed the test, and It says that 1.5x is correct.
The central angle COA = 2 * angle at the circumference
m < COA = 2 * 80 degrees
<span>AM = 8 cm. Since ABC is an isosceles triangle the median will split the triangle in to two right triangles. By using the given information, and it is found that AM=8cm.</span>