Math, asked by Prasiddhika, 1 year ago

एक व्रत जिसका व्यास 40cm है तथा जीवा 20 cm है तो इसके संगत छोटे चाप की लम्बाई ज्ञात कीजिये

Answers

Answered by vanshgupta4661
8
can you not write in english

Prasiddhika: no
vanshgupta4661: why
Prasiddhika: I just can't
Answered by amitnrw
3

चाप की लम्बाई  =   20.9 cm , एक व्रत जिसका व्यास 40cm है तथा जीवा 20 cm है

Step-by-step explanation:

एक व्रत जिसका व्यास 40cm है

त्रिज्या = 40/2 = 20 cm

जीवा 20 cm है

समभुज त्रिकोण

कोण = 60°

चाप की लम्बाई  = (60/360) * 2 * π * त्रिज्या

= (1/6) * 2 (22/7) * 20

= 20.9 cm

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