(8. Match the information on the left with the appropriate equation on the right. An equation perpendicular to \( y=-3 x+1 \) through the point \( \begin{array}{l}(3,-2)\end{array} \) \( y=-3 x+7 \) An equation through the point \( (-2,3) \) and parallel to \( y=-3 x-1 \) \( y=-3 x-3 \) \( y=\frac{1}{3} x+1 \)

foto Real 10. El lado de menor longitud de un triangulo \( A B C \) mide 4 cm . Si el triángulo \( A B C \) es semejante a cn triangulo cuyus lados miden \( 8 \mathrm{~cm}, 12 \mathrm{~cm} \) y 16 cm . ¿ cuál es el perimetro, en centimetrus edel iriángulo A B C?

Qual é a fórmula para calcular a área de um círculo?

9. Each face of a cube is a square with a side length of 8 centimeters. What is the total area of all of the faces of the cube?

Exploration A sugar cube has a volume of about 1 cubic centimeter. Estimgte the size of a box you would need to hold \( 1,000,000 \) sugar cubes?

3.) WHEA OF IS The ARE OF A SECTOR OF A CIRCLE RADIUS \( r=13 \mathrm{cM} \) IF the CORRESPONPING CENTRAL ANGLF IS \( 30^{\circ} \) ? 4.) WHAT IS TLE AREA OF A SEGTOR OF A CIRULE WHT DIAMETER \( D=28 \mathrm{cM} \) If the GENTRAL ANGLE IS \( 320^{\circ} \) ?