What is the pi
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Rajan Kumar Pasi 3 years, 10 months ago
Ek Kamre Ki lambai 5 metre 4 metre aur unchai 3 metre kramank 74 50 Prati metre per kidhar se is Kamre Ki diwaron per chhat par Safed karane ka Vyakhya kijiye
Sol: Pi ka maan 3.14 ya 22/7 hota hai.
Length = l = 5 m
Breadth = b = 4 m
Height = h = 3 m
Kamray ka prishthiya kshetrafal =
{tex}\huge {=> \ 2\times(l\times b + b\times h+l\times h)}\\ \huge {=> \ 2\times(5\times 4 + 4\times 3+5\times 3)}\\ \huge {=> \ 2\times(20 + 12+15)}\\ \huge {=> \ 2\times47}\\ \huge {=> \ 94 \ m^2}\\{/tex}
Chhat ka kshetrafal =
{tex}\huge {=> \ l\times b}\\ \huge {=> \ 5\times 4}\\ \huge {=> \ 20 \ m^2}\\{/tex}
Safed rang karne ka kul kshetrafal = 94 + 20 = 114 m2.
Safed rang karwane ka kul mulya ya kharcha = 114 x 74.50 Rs. = {tex}\Large {\boxed{8493 Rs.}}{/tex}
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