Question
Download Solution PDFஒரு இணைகரம் PQRS இல், P மற்றும் Q இன் தொடர்ச்சியான கோணங்களின் இருமுனைகள் T இல் வெட்டுகின்றன. ∠PTQ அளவீடு என்ன?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFகொடுக்கப்பட்டது:
PQRS என்பது இணைகரம்.
பயன்படுத்தப்பட்ட கருத்து:
ஒரு எதிர்கோணல் இணைகரத்தில், கோணத் தொகை 180 ஆகும்
கணக்கீடு:
\(\angle\)PQT=\(\angle\)Q/2
\(\angle\)QPT=\(\angle\)P/2
\(\angle\)P+\(\angle\)Q=180
மாற்றுதல்,
2\(\angle\)PQT+2\(\angle\)QPT = 180
\(\angle\)PQT+\(\angle\)QPT = 90
ஆனால் , \(\angle\)PQT+\(\angle\)QPT+\(\angle\)PTQ=180(உள் கோணத்தின் கூட்டுத்தொகை 180)
எனவே \(\angle\)PTQ = 180 - 90 = 90° மதிப்பை மாற்றுவதன் மூலம்.
∴ விருப்பம் 3 சரியான பதில்.
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