8. El cuadrado de la figura tiene un área de 36 cm ¿Cuál es el radio del círculo inscrito?

U geometrijskom je nizu peti član \( -\frac{4}{9} \), a količnik \( -\frac{1}{3} \). Koliko članova toga niza treba zbrojiti da zbroj bude \( -\frac{2188}{81} ? \)

Find the surface area of a rectangular prism prism (a box) if the dimensions are 4 m wide, 6 m long, and 3 m high

A 19-f ladder is leaning against a wall and the wall is perpendicular to the ground. The base of the ladder is 8 ft from the wall. How high above the ground is the top of the ladder? The ladder reaches (Simplify your answer. Type an exact answer, using radicals as needed.)

Complete parts a and b. a. If triangle \( A B C \) is similar to triangle \( D E F \) and \( \frac{A B}{D E}=\frac{1}{3} \), what is the ratio of the heights of the triangles? b. What is the ratio of the areas of the two triangles? a. The ratio of the height of triangle \( A B C \) to the height of triangle \( D E F \) is \( \frac{1}{8} \). (Type an integer or a simplified fraction.) b. The ratio of the area of traingle \( A B C \) to the area of triangle \( D E F \) is \( \frac{1}{64} \). (Type an integer or a simplified fraction.)

6. If \( m \angle C A G=(a+20)^{\circ} \), and \( m \angle A C F=(2 a+10)^{\circ} \), find \( m \angle A C F \). A. \( 110^{\circ} \) B. \( 70^{\circ} \) C. \( 50^{\circ} \) D. \( 20^{\circ} \)