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Question 3 (Essay Worth 10 points)
(01.06 MC)

The figure shows adjacent angles BAC and CAD.

Adjacent angles BAC and CAD sharing common ray AC

Given:
m∠BAD = 113°
m∠BAC = (3x −12)°
m∠CAD = (4x + 20)°

Part A: Using the angle addition postulate, write and solve an equation for x. Show all your work. (6 points)

Part B: Find the m∠CAD. Show all your work. (4 points)