1 does not represent a function
Answer:
QR=RS
Step-by-step explanation:
She knows that PRQ=TRS because of vertical angles.
She needs to know the length of the lines QR and RS are equal, that is the line between the two angles.
Answer:
The side lengths of similar triangles are proportional
Step-by-step explanation:
168/4 to get the bike and the accessories to get 42
42x3=126