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Grade 8right chevron icon

Find missing angles in quadrilaterals II

A circle in the xy x y -plane has the equation\newline(x+17.5)2+(y−15.3‾)2=18.1 (x+17.5)^{2}+(y-15 . \overline{3})^{2}=18.1 \newlineWhich of the following best describes the location of the center of the circle and the length of its radius?\newlineChoose 11 answer:\newline(A) Center: (−17.5,15.3‾) (-17.5,15 . \overline{3}) \newlineRadius: 18.1 \sqrt{18.1} \newline(B) Center: (−17.5,15.3‾) (-17.5,15 . \overline{3}) \newlineRadius: 1818.11\newline(C) Center: (17.5,−15.3‾) (17.5,-15 . \overline{3}) \newlineRadius: 18.1 \sqrt{18.1} \newline(D) Center: (17.5,−15.3‾) (17.5,-15 . \overline{3}) \newlineRadius: 1818.11
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One angle of a parallelogram measures 40∘40^\circ. What are the measures of the other three angles in the parallelogram? \newline‾∘,\underline{\hspace{1cm}}^\circ, ‾∘,\underline{\hspace{1cm}}^\circ, and ‾∘\underline{\hspace{1cm}}^\circ
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