Which statement must be true? arc r t ≅ arc u t ∠rqt ≅ ∠rst rq ⊥ qt rs ≅ st.

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answer:

read the bible and find out

explanation:

you cant rely on to answer everything

answer:

When we have different classes of data, there is always an upper and a lower class limit for it i.e. the dataset has a smallest and largest value. Class boundary is the midpoint of the upper class limit of one class and the lower class limit of the subsequent class.

Explanation: