Question

Verify experimentally that if two lines intersect, then
(i) The sum of all the four interior angles is 360 degree.
(ii) The sum of two adjacent angles is 180 degree
Plz answer it

Answer 1

Answer:

Verify experimentally that if two lines intersect then the sum of four interior angles is 360

Check the relationship between the vertically opposite angles. Check whether the vertically opposite angles, ∠AOD and ∠COB are equal. Similarly, check whether the vertically opposite angles, ∠BOD and ∠AOC are equal. ... Now, we obtain the sum of all the four angles formed at the point 0 and it is equal to 360°.

Step-by-step explanation:

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Answer 2

Answer…- Make two intersecting lines AB and CD which intersect at point O. By angle sum property

angleAOD + angleAOC = 180°.......(1)

Similarly, angleBOD + angleBOC = 180°.......(2)

add (1) and (2)

sum of all the four angles = 180°+180° = 360°