Rajeshwari said that "xº. (x+20) and (x+70)° are three angles of an
obtuse.angled triangle." Do you agree with her? Give reasons
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Answer:
Yes
Step-by-step explanation:
x°+(x+20)°+(x+70)°=180
3x+90°=180°
3x=180°-90°
3x=90°
x=90°÷3
x=30
first angle =x°=30°
second angle=x+20°=50
third angle=x+70°=110°
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