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Prove triangle=180°

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Prove triangle=180°

Posted by Sujal Raj 4 years, 3 months ago

CBSE > Class 09 > Mathematics

4 answers

Bhoomi Khanka 4 years, 3 months ago

Let the sides of triangle be x As we know triangle have 3 sides Hence, sides of triangle be=3x Sum of three sides of triangle=180° So, 3x=180° x=180/3 x=60° Hence each side of triangle is 60+60+60 Which is 180 Hence proved.....

1Thank You

Neha Kanchan 4 years, 3 months ago

Sum of three angles is 180 degree

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Pooja Taliyan 4 years, 3 months ago

If you understand with this answer like please

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Pooja Taliyan 4 years, 3 months ago

TrianglePQR with angle <1,<2and <3. Then <1+<2+<3=180 degree <1+<4+<5=180 degree(linear pair). <1+<2+<3=180degree(from(1)and (2)

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