Question

Draw an Obtuse Angled Triangle LMN Draw its Altitudes and Denote the Orthocentre By O Draw

Answer 1

Answer:

Obtuse angled triangle : in a triangle one angle must be greater than 90 and sum of the three angles must be equal to 180

Altitude : An altitude is a line which passes through a vertex and makes 90 angle with the opposite side of vertex

Ortho centre : The point at which three altitudes meet together  

IMAGE