Solve the proportion. 9/11 = 63/z. Please use "z =" to record your answer. *
2 answers:
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Answer:
A
Step-by-step explanation:
The base angles of an isosceles triangle are congruent
The sum of the 3 angles in a triangle = 180°, hence
180° - 112° = 68°
base angle = = 34°
Thus each base angle equals 34° → A