Answer:
Point B is 
Step-by-step explanation:
Given: A triangle ABC was rotated 90 degrees counterclockwise
To find: coordinates of the point B
Solution:
A triangle is three - dimensional figure that has three sides, three vertices and three angles.
Counterclockwise refers to the direction opposite to the direction of movement of hands of the clock.
As triangle ABC was rotated 90 degrees counterclockwise about the origin, point B is 
Answer: All polygons follow a rule that the sum of their exterior angles will equal 360 degrees.
Answer:
Step-by-step explanation:
Here so u can give that person brainliest
In order to do this, all you have to do is divide the area by the width
Answer:
Step-by-step explanation:
hello :
(2x + 9)(3-z) = 0 means : 2x+9=0 or 3-z=0
x= -9/2 or z=3