Two adjacent angles form a right angle.
a. (a) One of the angles measures (4x+7)∘ and the other measures (6x−3)∘. Find the value of x.
b. (b) Using the value of x obtained in part (a), find the actual measure of each angle.
c. (c) State whether each of the angles found in part (b) is acute, right, or obtuse, giving reasons for your answer.