Math, asked by rakshita89, 1 year ago

solve all of these question important ... urgent plzz

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Answered by naman2308
0
7.A+B+C=180°----------------1
D+E+F=180°---------------2
on adding eq 1 and 2
A+B+C+D+E+F=360°
6.it is a right angled triangle because
90°+45°+45°=180°
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