19 A square is rotated about its center.
Select all of the angles of rotation that will map the square onto itself.
A 45 degrees
B60 degrees
C90 degrees
D120 degrees
E 180 degrees
F 270 degrees

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

State one method by which you can recognize a perfect square trinomial.

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000