Question
Download Solution PDFஇந்த சரிவக வடிவ தோட்டத்தின் பரப்பளவு என்ன? (அனைத்து அளவீடுகளும் செ.மீட்டரில் உள்ளன)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFகொடுக்கப்பட்ட படத்திலிருந்து,
ΔBEF இலிருந்து, நமக்குக் கிடைக்கும்
⇒ BF2 = BE2 + EF2
⇒ 132 = 122 + EF2
⇒ EF2 = 132 - 122 = 169 - 144 = 25
⇒ EF = 5 செ.மீ
படத்திலிருந்து,
⇒ CD = EF = 5 செ.மீ மற்றும் AB = DE = 15 செ.மீ
⇒ CF = CD + DE + EF = 5 + 15 + 5 = 25 செ.மீ
சரிவகத்தின் பரப்பளவு = ½ x BE x (AB + CF) = ½ x 12 (15 + 25) = 240 சதுர செ.மீ
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