Q1. The minute hand of a clock is 20 cm long. Find the area swept by the minute hand between 8 am and 8:45 am.
घड़ी की मिनट वाली सुई 20 सेमी लंबी है। 8:00 बजे से 8:45 बजे तक मिनट सुई द्वारा घेरा गया क्षेत्रफल ज्ञात कीजिए।
Area and Perimeter of Circle - Complete Practice Set
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Sample Questions from Area and Perimeter of Circle - Complete Practice Set
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Q2. The circumferences of two circles are 110 cm and 330 cm respectively. Find the difference between their radii.
दो वृत्तों की परिधियाँ क्रमशः 110 सेमी और 330 सेमी हैं। उनकी त्रिज्याओं का अंतर ज्ञात कीजिए।
Q3. The hour hand moves through 4 hours and has a length of 6 cm. Find the area covered by the hour hand.
घड़ी की घंटे वाली सुई 4 घंटे में चलती है और इसकी लंबाई 6 सेमी है। घंटे वाली सुई द्वारा घेरा गया क्षेत्रफल ज्ञात कीजिए।
Q4. A horse is tied with a rope of length 6 m and moves through an arc of 70°. Find the area grazed by the horse.
एक घोड़ा 6 मीटर लंबी रस्सी से बंधा है और 70° का चाप बनाता है। घोड़े द्वारा चराया गया क्षेत्रफल ज्ञात कीजिए।
Q5. Inside a large semicircle, three equal semicircles are drawn. Find the ratio of shaded to unshaded area.
एक बड़े अर्धवृत्त के अंदर समान त्रिज्या वाले तीन अर्धवृत्त बने हैं। छायांकित और अछायांकित क्षेत्रफल का अनुपात ज्ञात कीजिए।
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