Respuesta :

Measure of acute angle is less 90⁰.

    m∠1  < 90⁰
+  m∠2  < 90⁰
m∠1 +m∠2 <90⁰+90⁰
So,

m∠1+m∠2< 180⁰, the measure of 2 acute angles cannot be more than the measure of the straight angle.