A sector has central angle \( \frac{5}{7} \pi \) and radius 18 . Find the area of the sector. Give your answer in terms of \( \pi \) or as a decimal rounded to two decimal places.

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.)

In \( \triangle W X Y, \mathrm{~m} \angle \mathrm{~W}=108^{\circ} \) and \( \mathrm{m} \angle \mathrm{X}=39^{\circ} \). Which list has the sides of \( \triangle W X Y \) in order from shortest to longest?

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 \( \ldots \) \( \begin{array}{llll}\text { A. }\binom{7}{11} & \text { B. }\binom{1}{11} & \text { C. }\binom{-1}{-11} & \text { D. }\binom{-1}{11} \\ \text { E. }\binom{-7}{-11}\end{array} \)

Objectives 1) Solve real-world problems involving the surface area and volume of cylinders, cones, and spheres through expansion and factorization. 2) Calculate the surface areas and volumes of cylinders, cones and spheres. N.B: You should know by heart the area and perimeter of a square, rectangle, and circle. The formulas of the surface area and volumes of the cylinder, cones, and spheres be given.