Quanto deve essere lunga una circonferenza affin- ché a un suo arco di 12 cm corrisponda un angolo al centro di \( 12^{\circ} \) ? \( [360 \mathrm{~cm}] \)

22. A rectangular foor of a room measures 5.4 m long and 4.2 m wide. The room is to be covere with square tiles. Calculate the minimum number of square tiles that can be used to cover the floor.

12-inch pizza: \( r=12 / 2=6 \) So \( A=\pi(6)^{2}=113.1 \), square inches

163 Soit \( A B C \) un triangle. Soit I le milieu du segment \( [A C] \) et \( G \) le point tel que: \[ \overrightarrow{G A}+2 \overrightarrow{G B}+\overrightarrow{G C}=\overrightarrow{0} \] 1. a. À l'aide de la relation de Chasles, montrer qu'on a l'éaglité \( 2 \overrightarrow{G B}+\overrightarrow{G C}=-3 \overrightarrow{A G}+2 \overrightarrow{A B}+\overrightarrow{A C} \).

1. Тип 1 № 27238 В В треугольнике \( A B C \) угол \( C \) равен \( 90^{\circ}, A C=4,8, \sin A=\frac{7}{25} \). Найдите

Name - \( \qquad \) Period - \( \qquad \) Triangle Congruence Worksheet For each pair to triangles, state the postulate or theorem that can be used to conclude that the triangles are congruent. Triangle Congruence Worksheet Page 1