Question 1:
Blank 3: ASA congruence (you have two angles and a side)
Blank 4: CPCTC (corresponding parts of congruent triangles are congruent)
Question 2:
Blank 2: Definition of perpendicular lines
Blank 3: Given
Blank 4: SD = SD (Shared side)
Blank 5: HL Theorem (We have two right triangles)
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