18 +6
15
B
c
+3
+2
+1
AABC rotates around point D to create AABC.
Based on the position of B'C', shown in the figure, the coordinates of A' are
If AA'BC rotates 90° counterclockwise around point 47.5) to form triangle AA"B'C', the coordinates of A" are

l.jnl.j/n.m,lm,

step-by-step explanation:

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

[2, 2.5)

(2.5, 3]

step-by-step explanation:

i think its these two not sure [2, 2.5)

(2.5, 3]