What is the difference between a bird flying 20 feet above the water and a fish swimming 10 feet underwater?

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given

Write the percent as a fraction or mixed number in simplest form. 0.8%

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.