shayyy49
17.12.2020 •
Mathematics
Q
T
In isosceles triangle QRS, RT is the angle bisector of ZQRS. Mikah begins the proof by stating 21–22. What is a valid reason for this statement?
.
o Definition of Angle Bisector
Reflexive Property of Congruence
O Symmetric Property of Congruence
o Corresponding angles are congruent.
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Ответ:
Ответ:
width = x
length = 3 + x
perimeter = x + x + ( 3 + x ) + (3+x)
18 = x + x + ( 3 + x ) + (3+x)
x + x + ( 3 + x ) + (3+x) = 18
6 + 4x = 18
4x = 12
x = 3