Question

Prove that the sum of all the angles of a quadrilateral is 360°.​

Answer 1

Answer:

If we draw one diagonal to quadrilateral we will get two triangles i.e. △ABC and △ACD and we know that sum of the angles of a triangle is 180°

Sum of angles of quadrilateral ABCD=sum of angles of △ABC + sum of the angles △ACD

= 180

+180

= 360

Hope it helps

Step-by-step explanation:

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Answer 2

Answer:

The answer is yes

Step-by-step explanation:

as per the question

for a square that has 4 sides 90° = 360°

in a rombus it has 4 sides 90° = 360°