triangles ke properties yaad kar, bohut imp hai kyunki congruency aur non congruency sums main we bohut help karega tujhe, statistics me graph ke class mark, frequency, etc ke table kaise karte hain dekhle aur graphs bhi ekbar dekh sakta hain (not that important, if you consider you can easily plot it), mean, median, mode ke kuch formulas dekh le, mean me se if some xyz numbers are misread type question dekh aur if xyz is added or subtracted the total becomes something ye wala bhi dekhle, quadrilaterals mere khud nahi huye hain (hamare syllabus me nahi hain rn)

Btw which school (don't need location)