Math, asked by yusrakhan2004, 11 months ago

Answer of 15,16 & 17

Attachments:

Answers

Answered by clasher71
1

to prove sum of angles in a triangle draw an like parallel to its base now let the 3 co linear angle be supplementary the angles at base and 2 angles at top is alternate interior angles and hence equal so now all angles at top is equal this also in triangle

Similar questions