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1. The angle measure of the base angles of an isosceles triangle are represented by x and the vertex angle is 3x + 10. Find the measure of base angle.
- A. 112°
- B. 112°
- C. 112°
- D. 112°
Answer: Option C
Explanation:
Here,
X+X+3X+10= 180 ( Isosceles Means= সমদ্বি)
or, 5X= 170
or, X= 170/5= 34
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