please tell me this 9th question answer fast with explanation and tell how will tell me right answer I will mark her/him as brainliest
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vijaymano0123:
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If one angle is equal to sum of other two angles
In ∆ABC
angleA = angleB+ angleC_____(1)
A+ B+ C=180°(angle sum property)
A+A=180(substituting from (1))
2A=180
A=90°
therefore angle A =90°
∆ABC is a right angled triangle.
hope this helps you
please do mark as brainliest
In ∆ABC
angleA = angleB+ angleC_____(1)
A+ B+ C=180°(angle sum property)
A+A=180(substituting from (1))
2A=180
A=90°
therefore angle A =90°
∆ABC is a right angled triangle.
hope this helps you
please do mark as brainliest
Thanks to giving me the answer and I will mark you as brainliest
palak hi
thank you!!
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Ya.... vijaymano0123
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vijaymano0123
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