The screen on lin's cell phone allows for 8 lins of text per message. the maximum number of characters for each message is 10. how many characters acn each line hold?

answer: option a.

step-by-step explanation:

you know that the quadrilateral opqr ( a four sided figure) is inscribed in circle. this means that all its vertices are on the circle.

then, by definition, the opposite angles of the quadrilateral are supplementary, this means that the sum of their measures is 180 degrees.

you can observe in the figure that the angles ∠opq   and the angle ∠orq   are opposite, therefore:

then, can be used to d to calculate the measure of ∠opq

i can't solve unless i know what the line is

step-by-step explanation:

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