A geologist studying the earth’s crust measured the temperature at 3 km below the surface. He found that the temperature had increased by 60 degrees Celsius compared to the surface. At what rate is the temperature increasing? Show your work.

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte