For triangle xyw, the slope of wx is , the slope of xy is 0.56, and the slope of yw is . which statement verifies that triangle wxy is a right triangle?

Triangle abc and triangle deg are similar right triangles. which proportion can be used to show that the slope of ac is equal to the slope of dg? a) 4 − (−7) 0 − 4 = −1 − 10 4 − 8 b) −4 − (−7) 0 − 4 = 4 − 8 −1 − (−10) c) 0 − 4 −4 − (−7) = −1 − (−10) −4 − 8 d) 0 − 4 −4 − (−7) = −4 − 8 −1 − (−10)