प्रश्न 3. एक समद्विबाहु त्रिभुज में शीर्ष कोण40 है। त्रिभुज के शेष कोणो की माप ज्ञात कीजिए।
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Answer:
70° is answer
Step-by-step explanation:
let the two angles be x
x+x+40=180°[because sum of interior angle of the triangle is 180°]
2x+40°=180°
2x=180°-40
2x=140°
x=140°/2
x=70°
hence, x=70°
x=70°
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