1. 2 Cuál es el perimetro de un triàngulo rectángulo, si se sabe que su base \( 7,5 \mathrm{~cm} \) y su área es \( 45 \mathrm{~cm}^{2} \) ? \( \begin{array}{l}\text { 3. La base mayor de un trapecio mide el triple } \\ \text { que subase menor. La altura del trapecio es } \\ \text { de } 4 \mathrm{~cm} \text { y su área es de } 24 \mathrm{~cm}^{2} \text {. Calcula la } \\ \text { longitud de sus dos bases. }\end{array} \)

The diagram shows a scale drawing of a lacrosse field. The diagram is 5 1/2 inches long and 3 inches wide. If 1 inch represents 20 yards, what is the area of the field?

21) A frame is 15 in by 25 in aud is of uniform widtls. The inside of the frame leaves \( 75 \% \) of the total area available for the picture. What is the width of the frame?

Find the volume of the cone above. Select the formula for the volume of a pyramid \( \frac{1}{3} \cdot h \) Areaof Base \( \cdot h \) \( l \cdot w \cdot h \) \( 2 \cdot \pi \cdot r^{2} \cdot h \) Find the volume of the square based pyramid above.

Dar la ecuacuion parametrica y vectorial de la recta \( 2 x+y=5 \). Grafica

How do you rotate 270 degrees counterclockwise about the origin? What is the rule for rotating 270 degrees about the origin?