The Scatter Plots rock band played to a large crowd on Wednesday. The ratio of girls to boys was 3 to 2. There were 342 girls at the
concert. Which number should go in each part of the tape diagram?

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 think the answer is b.

step-by-step explanation:

not 100% sure though.

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if i put something wrong your not gonna like it so rather not say nothing.