I NEED THIS ASAP PLEASE !! 1. Measure angle ADE= 1/2 (Arc measure AE )

2. Use the relationship you established in part 1 to find the measure angle ACE. Show your work. (2pts)
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Part 3: Use the method from part 1 to find the measure angle BAD. (1 point)
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The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)