O circulo tom 8 m de diâmetro e as sementes de rosas que seráo compradas sâo vendidas em pacotes com uma quantidade suficiente para uma área de \( 1,8 \mathrm{~m} 2 \). Considerando que algumas sementes podem näo germinar, será comprado \( 15 \% \) a mals que a quantidade minima necessária. Assim, quantos pacotes de sementes deverào ser comprados? Considere \( \pi=3.1 \).

Se tiene un rectángulo en forma de triángulo rec- tángulo, cuyos catetos miden \( x=12 u \) y \( y=35 \) \( u \). ¿Qué cantidad de malla se necesita para cer- carlo?

A farmer buys 58 feet of fencing material to build a rectangular livestock pen. Fill in the second columi of the table to find the length of the pen if the width is \( 4,6,8,10 \), or 12 feet. Then find the area of each of the pens formed.

6. Jennifer wants to plant a flower garden in the space shown. She wants to add a fountain that is 3 feet wide and 3 feet long. What is the area of the space left to plant flowers?

6. Jennifer wants to plant a flower garden in the space shown. She wants to add a fountain that is 3 feet wide and 3 feet long. What is the area of the space left to plant flowers?

23 -) Determine o valor de \( x \) dos Triangulos