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प्रश्न
Sketch proper figure and write the answer of the following question.
If A- B - C and l(AC) = 11, l(BC) = 6.5, then l(AB) = ?
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उत्तर
We have,
l(AC) = 11; l(BC) = 6.5
Now, l(AC) = l(AB) + l(BC) ...(A−B−C)
∴ 11 = l(AB) + 6.5
∴ l(AB) = 11 − 6.5
∴ l(AB) = 4.5
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