4. La galaxia Andrómeda se puede apreciar a simple vista ya que subtiende un ángulo de \( 4.1^{\circ} \). Su diá- metro aproximado es de 220,000 años-luz. ¿A qué distancia (en años-luz) se encuentra de la Tierra?

If the height of a cylinder is doubled while keeping the radius constant, how does that affect its volume?

6.1 A man places a 5 m ladder to reach a point of x m high on the wall. The distance from of the wall to the foot of the latter is 3 m . Calculate the height of the wall.

1.1 Perpendicular lines are two lines that form a ___ angle when they intersect. A. Parallet B. 90 degree C. Complementary D. Acute

If a line has a slope of zero, what can be inferred about its equation and graphical representation?

Le basi e il lato obliquo di un trapezio isoscele misurano \( 39 \mathrm{~cm}, 21 \mathrm{~cm} \) e 15 cm . Calcola la diagonale di un rettangolo equivalente al tra pezio sapendo che ha una dimensione cm .