Question

In Figure 13, lines AB, CD and EF intersect at O. Find the measures of angle AOC and angle COF.​

Answer 1

Answer:

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Answer 2

Answer:

$< aoc =90 - 40 \\ =50 \\ \\ < cof = 180 - 40 - 50 \\ = 90$

Step-by-step explanation:

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