Question

Proof
Proof
TProven)
statement
ASVRASVT
m RVS + MURSV 90 and
mZTVS +mZTSV - 90
Angle Addition Postulate
Substitution
4.
MTR = 100 - 2x
The degreemeasure of a circle is 360.
5.
MTOR = 180 + 2x
Substitution and Addition Property of
Equality
Angle Addition Postulate
6.
7.
8.
9.
MZRSV +mZTSV=x+x
2x
MZRST = 2x
MTOR - MTR = (180+ 2x)-(180 - 2x)
= 2(2x)
10.
By Subetitution
Multiplication Property
MZRST
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Answer 1

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Step-by-step explanation:

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