Question
Download Solution PDFకింద ఇచ్చిన ట్రెపీజియం ఆకారంలోని తోట వైశాల్యం ఎంత? ( అన్ని కొలతలు సెం.మీ.లలో ఇవ్వబడ్డాయి)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఇచ్చిన బొమ్మ ప్రకారం,
ΔBEF నుండి,
⇒ BF2 = BE2 + EF2
⇒ 132 = 122 + EF2
⇒ EF2 = 132 – 122 = 169 – 144 = 25
⇒ EF = 5 సెం.మీ
ఇచ్చిన బొమ్మ నుండి,
⇒ CD = EF = 5 సెం.మీ మరియు AB = DE = 15 సెం.మీ
⇒ CF = CD + DE + EF = 5 + 15 + 5 = 25 సెం.మీ
ట్రెపీజియం యొక్క వైశాల్యం = ½ × BE × (AB + CF) = ½ × 12 (15 + 25) = 240 చ. సెం.మీ
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