जॉइन Examsbookउत्तर : 4. "152 to 164"
In a triangle ABC, angle 'a' is the smallest one & A+7B = 112. Find the range of value 'c' ?5
प्र: In a triangle ABC, angle 'a' is the smallest one & A+7B = 112. Find the range of value 'c' ?
- 1138 to 164false
- 2125 to 147false
- 3148 to 158false
- 4152 to 164true
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उत्तर : 4. "152 to 164"
व्याख्या :
Answer: D) 152 to 164 Explanation: A+7B=112 it is clear that A = 14, then it becomes A>=B, but A is smallest angle) givenso, range of A is 0.0001 to 13.9999 ( I am taking upto 4 decimal places)so, range of B becomes 14 to 16 ( after rounding off to 4 decimal places)so, range of C becomes 152 to 164 ( after rounding off to 4 decimal places)