Obtuseangle : স্থূলকোণ;
Related Words
obtuse angle  obtuse angled  obtuse-angled  obtuseangle  See Words Also In
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Appropriate Prepositions
Indispensable to (অত্যাবশ্যকীয়): Your help is indispensable to him.
Plead for (ওকালতি করা): He pleads for justice.
Relevant to (প্রাসঙ্গিক): Your answer is not exactly relevant to my question.
Rely on (নির্ভর করা): We should not rely on a lazy man.
Shout at (চিৎকার করে ডাকা): Do not shout at your parents.
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Idioms
At last (in the end – অবশেষে) He tried hard, and at last, succeeded in achieving his goal.
Fair play (প্রতারণা বিহীন নীতি বা কাজ): I believe in the practice of fair play in my business.
Slow coach (অলস): You cannot expect much from a slow coach.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.
Three R's (প্রাথমিক শিক্ষা)— He has not yet learnt the three R's.