What is the reason for number 4 and 5?

4. QT and RT are 2 sides of an equilateral triangle.

5.  Congruent by SAS

Step-by-step explanation:

All sides of an equilateral triangle are equal in length.

step-by-step explanation:

hunhgunyt7 in u uuuhiuteu

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

pls mark as brainliest.