Question

which is equal to 12(x⁴)^1/12 class 9 th cbse
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Answer 1

hope it is helpful for you

Answer 2

Given,

Side of the signal board = a

Perimeter of the signal board = 3a = 180 cm

∴ a = 60 cm

Semi perimeter of the signal board (s) = 3a/2

By using Heron’s formula,

Area of the triangular signal board will be =

Ncert solutions class 9 chapter 12-1