एक घनाभ का पृष्ठीय छेतफल 1372sq cm hai . Yadi iski vimao ka anupat 4 :2:1 hai to lambai gyaat kare
एक घनाभ का पृष्ठीय छेतफल 1372sq cm hai . Yadi iski vimao ka anupat 4 :2:1 hai to lambai gyaat kare
Salman , 6 Years ago
Grade 9
9 grade maths> एक घनाभ का पृष्ठीय छेतफल 1372sq cm hai . ...
1 Answers
Arun
Last Activity: 6 Years ago
Dear student
its dimensions can be taken as 4x , 2x, x
now 2(8 x^2 + 4x^2 + 2 x^2)= 1372
14 x^2 = 686
x^2 = 4 9
x = 7
hence length = 4*7 = 28 cm
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