Question

in the adjacent angle if angle 1 =angle 3 angle 2 =angle 4 ans angle 3 =angle 4 .write the relation between angle 1 and angle 2 using euclids postulates​

Answer 1

Answer:

Given,

∠1=∠3

∠2=∠4

$$_____________$$

∠1+∠2=∠3+∠4

From 1st postulate of Euclid,

The things which are equal to equal this are equal to one another.

⇒∠1=∠2

⇒∠1=∠2=∠3=∠4