58: 5
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given: z1 is complementary to 22.
what is the missing statement in step 3 of the proof?
@
22 is complementary to 23.
omz1 = m22
prove: mz1 = m23
om 21+ m 22 = 90°
@
m22 = m 23
om 22 + m 23 = 180°
statements
1. z1 is comp. to 22
2. z2 is comp. to 23
3. ?
4. mz1 = 90°-m22
5. m22+m23 = 90°
6. m23 = 90°-m22
7. m1 = m23
reasons
1. given
2. given
3. def. of comp. zs
4. subtr. equality prop.
5. def. of comp. zs
6. subtr. equality prop.
7. trans, prop

If you could answer these your a life saver

Question 2 (essay worth 10 points) (03.02 mc) in δabc shown below, point a is at (0, 0), point b is at (x2, 0), point c is at (x1, y1), point d is at x sub 1 over 2, y sub 1 over 2, and point e is at the quantity of x sub 1 plus x sub 2 over 2, y sub 1 over 2: triangle abc is shown. point d lies on segment ac and point e lies on segment bc. a segment is drawn between points d and e. point a is at the origin. prove that segment de is parallel to segment ab.

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