Si el perímetro del rectángulo ABCD es 54 cm, ¿cuánto mide el área sombreada?

Determine the maximum r-value of the polar equation r =3+3 cos 0

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon