Calcola il quarto angolo del quadrilatero che ha le seguenti misure di angoli interni. a \( 75^{\circ}, 122^{\circ}, 43^{\circ} \) b \( 61^{\circ}, 97^{\circ}, 103^{\circ} \) c \( 74^{\circ}, 71^{\circ}, 77^{\circ} \)

3. Bayangan dari titik \( \mathrm{C}(-2,3) \) yang dirotasikan 90 dengan pusat \( (1,2) \) dilanjutkan rotasi 270 searah dengan jarum dan pusat \( (0,0) \) adalah... A. \( (0,-1) \) B. \( (1,0) \) C. \( (0,5) \) D. \( (-1,0) \) E. \( (0,-5) \)

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. \( x^{2}+y^{2}=52 \)

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

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.)

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