Register
If quadrilateral ABCD rotates 90° counterclockwise about the origin, what are the coordinates of A′ in quadrilateral A′B′C′D′ ?
202k views
5 votes
If quadrilateral ABCD rotates 90° counterclockwise about the origin, what are the coordinates of A′ in quadrilateral A′B′C′D′ ?

User Scott Thiessen
by
8.1k points

2 Answers

6 votes

Answer:

B. (-2, -1)

Step-by-step explanation:

Plato

If quadrilateral ABCD rotates 90° counterclockwise about the origin, what are the-example-1
User Chacmool
by
7.6k points
1 vote
If the coordinates of point A are (x, y ) the coordinates of point A´ after rotation will be (-y, x)
Example: A ( 2,3 ) and A´( -3, 2 )
User Josep Panadero
by
8.3k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

What are three ways water erodes the surface of earth
How have computers changed mapmaking in recent years
How does weathering affect Plateaus?
what is the outlet of a river called
An example of a stateless nation in the middle east is provided by who?
Link Copied!