12 মিটার উঁচু একটি গাছ h উচ্চতায় এমনভাবে ভেঙে গেল যে, ভাঙ্গা অংশুটি মাটির সাথে 30 ডিগ্রি কোণে মিলিত হলো। গাছটি কত উঁচুতে ভেঙেছিল?
Created: 6 years ago |
Updated: 1 year ago
best des
The length of the broken part = 12 - h
So, h / (12 - h) = sin30°
or, h / (12 - h) = 1/2
or, 2h = 12 - h
or, 2h + h = 12
or, 3h = 12
So, h = 4 m.
Md Azizur Rahman
Founder of Satt
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