#class9thmaths
#studytutorialbygurpreetkaur
#HeronsFormula
this is a video of class9th maths chapter 12 Herons Formula exercise 12.1 sum no. 6
link of chapter12 formulas and sum no. 1
/watch/0nZYcyL4BPx4Y
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link of chapter12 exercise 12.1 sum no. 2
/watch/Yde4aW4FMMEF4
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link of chapter12 exercise 12.1 sum no. 3
/watch/8o82r4wHFuDH2
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link of chapter12 exercise 12.1 sumno. 4,5
thanku