How to calculate the surface area of a roof

[@dayasagarmohanty5022]

Area of a triangle .A : 1/2(abxbc)
1/2(2.5x6.7)
1/2(16.75)
8.37

[@loken9191]

Galat hisab karta hey tuu😂😂

[@civilengineering7497]

Can you correct me where I'm wrong

[@Tareksaravlog]

Before you teaching someone pls prepare properly 🤨

[@civilengineering7497]

So please what is wrong about it

[@civilengineering7497]

Please tell me

[@Tareksaravlog]

You double check how many time u stop during this video and you make people confused