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In ∆ ABC, if ∠ + ∠ = 108degrees and ∠ + ∠ = 130degrees , find ∠ , ∠ and ∠. |
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Answer» >
A+B=108° ; B+C=130° A+B+C=180° A+B+C=180° 108°+C=180° A+130°=180° C=180°-108° A=180°-130° C=72°. A=50° A+B=108° 50°+B=108° B=108°-50° B=58° |
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