Solve x^2- 8x = 20 by completing the square. Which is the solution set of the equation?
1 answer:
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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
