allery14 cm ব্যাসাৰ্ধৰ এটা বৃত্তৰ পৰা 90 degrees কোণৰ এটা বৃত্তকলা কাটি উলিওৱা হৈছে। ইয়াৰ কালি নিৰ্ণয় কৰা (pi = 22/7)।
A154 cm²
B77 cm²
C616 cm²
D308 cm²
Answer & Solution
Correct answer: A. 154 cm²
বৃত্তটোৰ কালিৰ এক-চতুৰ্থাংশ হ'ল (1/4)(22/7)(196) = 154 square centimetres।
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