How would you explain to someone (in words and/or with pictures) why shapes in Quadrant 2 move to Quadrant 4 when they are rotated 180° around the origin?

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright