16 Un terreno mide 180 m de largo por 160 m de ancho. El agricultor decide dividirlo en parcelas cuadradas iguales del máximo tamaño posible. a. ¿Cuánto medirán los lados de cada parcela? b. ¿Cuántas parcelas quedarán?

61. A fountain pen with a cylindrical barrel of diameter 2 cm and height 10.5 cm , filled with ink, can write 3300 words. How many words can be written with that pen using 100 ml of ink? (Take \( 1 \mathrm{cc}=1 \mathrm{ml} \) ) \( \begin{array}{ll}\text { (a) } 40,000 & \text { (b) } 30,000\end{array} \)

5.4. Two chords equal to the radius are drawn from a given point of the circle. Find the angle between them.

A rectangular prism has dimensions of length 5 meters, width 3 meters, and height 2 meters. Calculate the volume of the prism.

5.3. A diameter and a chord, which is equal to the radius, are passed from the given point of the circle. Find the angle between them.

A rectangular prism has a length of 5 cm, a width of 3 cm, and a height of 4 cm. Calculate its volume.