deena7

10.08.2021 • 

Mathematics

D 5
Reason
1.
2.
Given: 21:23
Prove: 22 and 23 are supplementary
Statement
1. 21:23
2. mZ1 = m23
3. Z1 and 22 form a linear pair
4. 21 and 22 are supplementary
5. m21+m22 = 180°
6. mZ3+ m2 = 180°
7. 22 and 23 are supplementary
3
4.
5.
6.
7.
A. given
B. substitution property of equality
C. linear pair postulate
D. definition of a linear pair
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Ответ:

sofialarrea13

10.06.2022

Mathematics

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Coordinates are written (x,y). So find P on the graph. Start at the origin, (0,0), and go left 2 units, sp you're right under P. Since you went left, it's negative, x=-2. Then just go up until you get to P, y=3. So you end up with P is at (-2,3). Hope this helps!

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