Which of the following is the image of D after a rotation of 90° about the origin? O (-2,1)
O (2.1)
O (-1,-2)
ODA

Will give are given that xy is parallel to zw. if xz is a transversal that intercepts xy and zw, angle angle alternate interior angles. since xy is parallel to zw, we know that these angles are we also know that angle xvy and angle zvw are , and thus congruent. we can conclude that △xyv ~ △zwv using the similarity theorem.

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry