TMSCA General Math Formulas Exam
With Correct Solutions.2025
Midpoint jformula j- jCORRECT jANSWER✔✔((x₁+x₂)/2, j(y₁+y₂)/2)
Interior jangle jof ja jregular jpolygon j- jCORRECT jANSWER✔✔(n-2)180
Sum jof ja jsequence jof jnumbers j- jCORRECT jANSWER✔✔((First jnumber j+ jLast jnumber)(Number jof
jnumbers))/2
Combination jformula j- jCORRECT jANSWER✔✔n!/((n-r)! jr!)
Number jof jdiagonals jin ja jpolygon j- jCORRECT jANSWER✔✔((n-3)n)/2
Permutation jformula j- jCORRECT jANSWER✔✔n!/((n-r)! j)
Geometric jmean j- jCORRECT jANSWER✔✔√ab
