Question
Download Solution PDF14 सेमी त्रिज्या असलेल्या गोलाच्या आकाराचा चेंडू रंगवण्याची किंमत शोधा. चेंडूच्या पेंटिंगची किंमत 5 रुपये प्रति चौरस सेंटीमीटर ( π = 22/7 घ्या).
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेल्याप्रमाणे:
गोळ्याची त्रिज्या (r) = 14 सेमी
पेंटिंगची किंमत प्रति चौरस सेंटीमीटर = 5 रुपये
वापरलेले सूत्र:
गोळ्याचे पृष्ठभागाचे क्षेत्रफळ = 4πr2
एकूण किंमत = पृष्ठभाग क्षेत्रफळ × चित्रकला किंमत प्रति चौरस सेंटीमीटर
गणना:
गोळ्याच्या पृष्ठभागाचे क्षेत्रफळ = 4πr2
⇒ पृष्ठभागाचे क्षेत्रफळ = 4 × (22/7) × 142
⇒ पृष्ठभागाचे क्षेत्रफळ = 4 × (22/7) × 196
⇒ पृष्ठभागाचे क्षेत्रफळ = 4 × 22 × 28
⇒ पृष्ठभागाचे क्षेत्रफळ = 2464 सेमी 2
एकूण किंमत = पृष्ठभाग क्षेत्र × चित्रकला किंमत प्रति चौरस सेंटीमीटर
⇒ एकूण किंमत = 2464 × 5
⇒ एकूण खर्च = 12,320 रुपये
चेंडू रंगवण्याची किंमत 12,320 रुपये आहे.
Last updated on Jul 22, 2025
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