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If ∆MNO is an isosceles triangle …

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If ∆MNO is an isosceles triangle and MN=MO and N produced to P and O is produced Q then prove that angle MNP=angle MOQ?

Posted by Sanif Shah 7 years, 11 months ago

CBSE > Class 09 > Mathematics

1 answers

Tanu Lohia 7 years, 11 months ago

angle MNO is equal to MON , since triangle is isosceles. Angle MNO =MON=a ....... Now angle MNP+angle MNO=180(linear pair)...angle MNP+a=180 .... angle MNP=180-a (1)... angle MON+angle MOQ=180 (linear pair).. a + angle MOQ=180... MOQ=180-a (2) ..... from equation 1 and 2 we get angle MNP=MOQ

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