Ascale drawing of a deck that mr. ford is building measures 15cm by 21cm. each 3 cm on the scale drawing equals 5 feet. what are the actual dimensions of the deck? needs to be answered in at least an hour

Ithink the answer is b i hope it my friend message me if i’m wrong and i’ll change my answer and fix it for you

Answercounterclockwise rotation about the origin by 180 degrees followed by reflection about the y-axisexplanationthe given figure has verticesrecall that for counterclockwise rotation about the origin, when we rotate figure pqrs counterclockwise through an angle of 180° about the origin, the coordinates will becomenext, we reflect in the y-axis by negating the x-coordinates of the resulting figure to obtain,therefore the correct answer is c