Sometimes true

Recall that an acute angle measures greater than 0°0° and less than 90°.

An example where the statement is true is when the two angles are 10° and 20° which sums to 30°, an acute angle.

An example where the statement is false is when the two angles are 60°60° and 70°70° which sums to 130°, an obtuse angle.

Recall that an acute angle measures greater than 0°0° and less than 90°.

An example where the statement is true is when the two angles are 10° and 20° which sums to 30°, an acute angle.

An example where the statement is false is when the two angles are 60°60° and 70°70° which sums to 130°, an obtuse angle.