Find the volume of the figure when \( b=4 \mathrm{ft} \) and \( h=6 \mathrm{ft} \). \( \square \mathrm{ft}^{3} \)

4.45. In the triangle \( A B C \), the altitudes \( A D \) and \( C E \) are drawn; \( M \) is their intersection point. Find \( Z A M C \) given \( Z B A C=25^{\circ} \) and \( B C A 75^{\circ} \).

Example 3: Emma is preparing to re-carpet her room. She measured the room to be 6 yards long and 8 yards wide. a. Determine how many square yards of carpet Emma needs to buy.

CHALLENGE PROBLEM You may want to talk this one over with a partner. You run around the rectangular school sports field three times. The area of the field is 2,450 square metres. The length of one side is twice that of the other. What are the dimensions of the sides? How far do you run? Explain your answers.

PREGUNTA 2 Hallar la distancia entre los pares de puntos \( \left(-5,-120^{\circ}\right) \) y \( \left(4,150^{\circ}\right) \) : 6,5

Un círculo tiene un radio de 5 cm. Si una secante corta este círculo creando segmentos de 3 cm y x cm fuera del círculo, expresa x en función de los radios del círculo.