I suggest u that pythagorous theorem and elgebric expression are good choices.
TRIGONOMETRY
There are many possible topics for call 10 math's project. The first step is to figure out what area of math to make the topic.
maths model for class 9
yes
maths is very commercial sub we have to study it very sincerer
rthetj
a model which is 3-dimensional and related to the topics of class 10
chetito
pramita
integers
yes
there are many topics like probability, mensuration, algebraic identities. try proving some identity experimentally or you can buy a Maths Lab Book. here is one such book - I do I understand Mathematica Laboratory Manual for class 9 by Goyal Brothers Publication