Given: Z1 is complementary to 22.
What is the missing statement in step 3 of the proof?
22 is complementary to 23.
m21 = m22
Prove: mZ1 = m 23
Om21+ m 22 = 90°
m22= m23
m22 + m 23 = 180°
von AWN-
Statements
Z1 is comp. to 22
2 22 is comp. to 23
3. ?
m21 = 90°-m22
5. mZ2+mZ3 = 90°
6. m23 = 90°-m22
mZ1 =23
Reasons
given
2. given
def. of comp. ZS
4. Subtr. equality prop
5. def. of comp. ZS
6. subtr. equality prop
7. trans prop.

20+ ! come and answer quick! triangle mno is reflected over the x-axis and then translated up 4 and right 3. how can the transformation be amended such that the translation can occur before the reflection and have the image remain in the same position? a translate the pre-image down 4 and right 3 and then reflect the figure over the x-axis. b translate the pre-image up 3 and right 4 and then reflect the figure over the x-axis. c translate the pre-image up 4 and left 3 and then reflect the figure over the y-axis. d translate the pre-image down 3 and right 4 and then reflect the figure over the x-axis.

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The image of abc after a reflection across eg is abc