A teacher had 18 red pens if the ratio of red pens to blue pens she owned was 3:5 how many pens did she have in total
2 answers:
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Answer:
Step-by-step explanation:
It is important to remember the following:
In this case you can observe in the figure that "x" is an Angle formed by two chords, therefore, you can find its value applying the formula.
Therefore, the value of "x" is this:
