Question

prove that the sum of the interior angle of a quadrilateral is 360 degree.

Answer 1

Answer:

We have learned that the sum of internal angles of a quadrilateral is 360°, that is, ∠ABC + ∠BCD + ∠CDA + ∠DAB = 360° We know that the sum of angles in a triangle is 180°.

Step-by-step explanation:

mark me brainliest

Answer 2

Answer:

first of all you have draw a Quadrilateral named as ABCD.

construction:- draw or join AC

proof :- As we know that the three angle of a triangle is 180° .

When we add both the triangle ABD and DBC

It's mean 180 +180 =360 °

I hope it will be helpful for you.

Thank you for your question.