174 La somma di tre angoli misura \( 140^{\circ} \). Il primo angolo supera il secondo di \( 19^{\circ} 8^{\prime} \) e il secondo angolo è il triplo del terzo. Calcola le ampiezze dei tre angoli. \( \left[70^{\circ} 56^{\prime} ; 51^{\circ} 48^{\prime} ;\right. \)

Teresa needs to cut a triangular piece of tile for a mosaic. In order to cut it properly, she needs to know the measure of the unknown angle? \( { }^{\circ} \) as shown in the figure. The lengths of \( K L, L M \), and \( M K \) are 105 millimeters, 123 millimeters, and 182 millimeters respectively. What is the value of the unknown angle? (Round your answer to the nearest degree if necessary.)

1. Bayangan dari titik \( (3,6) \) yang ditranslasikan \( T\binom{-4}{5} \) kemudian dilanjutkan refleksi terhadap sumbu \( x \) adalah \( \ldots \) \( \begin{array}{llll}\text { A. }\binom{7}{11} & \text { B. }\binom{1}{11} & \text { C. }\binom{-1}{-11} & \text { D. }\binom{-1}{11} \\ \text { E. }\binom{-7}{-11}\end{array} \)

A rectangle has dimensions of 12 loches and 9 inches. Which of the following dimensions below betong to a simitar rectangle? a. 6 inches and 4 inches b. 36 inches and 27 inches c. 14 inches and 11 inches d. 24 inches and 16 inches

Persamaan lingkaran berpusat di titik \( \mathrm{O}(0,0) \) dan melalui titik \( (-4,-6) \) adalah.... A. \( x^{2}+y^{2}=16 \) B. \( x^{2}+y^{2}=36 \) C. \( x^{2}+y^{2}=48 \) D. \( x^{2}+y^{2}=52 \)

Si un ángulo central mide 50 grados, ¿qué medida tiene el arco que este angulo subtende?