Mitch draws a triangle with one obtuse angle. What are all the possible ways to classify the triangle by its angle measures and side lengths?

Find the mistake made in the steps to solve the equation below. a. the justification for step 2 is incorrect and should be the subtraction property of equality. b. step 2 is incorrect and should be . c. step 3 is incorrect and should be . d. the justification for step 3 is incorrect and should be the multiplication property of equality.