The image of triangle ABC after a 180° rotation around the origin is: A′(−1, 2) B′(−4, 2) C′( , )

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in

X+y=-4 x-y=2 use elimination with adding and subtraction