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Can You Find This Sector Area in 30 Seconds? | CBSE Class 10 Maths #cbse #class10 #ncert #examfront
30-second challenge! ⏱️ A 90° sector is just a slice of the full circle — but which fraction?
Method: A sector's area = (angle/360) × π × r². A 90° angle is one-quarter of 360°, so you only need a fraction of the full circle's area. Pop in r = 7 and π = 22/7 — the numbers cancel beautifully!
Can you do it without a calculator before the timer runs out? ⚡
Comment your answer 👇
Examfront WhatsApp Channel: https://whatsapp. com/channel/0029Vb8582kAO7RAM4WDQx14
#cbse #class10 #ncert #examfront #studygram
Видео Can You Find This Sector Area in 30 Seconds? | CBSE Class 10 Maths #cbse #class10 #ncert #examfront канала Examfront
Method: A sector's area = (angle/360) × π × r². A 90° angle is one-quarter of 360°, so you only need a fraction of the full circle's area. Pop in r = 7 and π = 22/7 — the numbers cancel beautifully!
Can you do it without a calculator before the timer runs out? ⚡
Comment your answer 👇
Examfront WhatsApp Channel: https://whatsapp. com/channel/0029Vb8582kAO7RAM4WDQx14
#cbse #class10 #ncert #examfront #studygram
Видео Can You Find This Sector Area in 30 Seconds? | CBSE Class 10 Maths #cbse #class10 #ncert #examfront канала Examfront
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29 мая 2026 г. 7:31:54
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