Question
Download Solution PDFএকটি কোণের সম্পূরক কোণের মান কোণটির পূরক কোণের মানের তিন গুণের থেকে 15° অধিক। কোণটির মান কত?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
একটি কোণের সম্পূরক কোণের মান কোণটির পূরক কোণের মানের তিন গুণের থেকে 15° অধিক।
অনুসৃত ধারণা:
এই প্রকারের প্রশ্নে, কোণের সম্পূরক কোণ = 180° – x,
কোণের পূরক কোণের মান = 90° – x
গণনা:
ধরা যাক কোণটির মান হল x°
প্রশ্নানুসারে,
180° – x = 3(90° – x) + 15°
⇒ 180° – x° = 270° – 3x° + 15°
⇒ 2x = 105
⇒ x = 52.5
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