Question

q r
s t is used in algebra to solve?

Answer 1

QRST is a angle, which is a rectangle-

Answer 2

QRST not can be an angle bc. to define an angle you need 3 points and QRST are 4 points
but QRST yes can be a rectangle

@AZ

Answer 3

If it is Q, R, S, or T then it can also be used as variables in algebra to solve equations

Answer 4

\(\color{#0cbb34}{\text{Originally Posted by}}\) @AZ
If it is Q, R, S, or T then it can also be used as variables in algebra to solve equations
\(\color{#0cbb34}{\text{End of Quote}}\)
ok but when we use them like variable in equations so we use q,r,s and t - little letters