A right angle is always ____ an acute angle.

Q. Which of the following is correct?
1. The sum of two acute angles is always an obtuse angle
2. The difference between an obtuse angle and a right angle is an acute angle
3. The sum of two acute angles can be acute, right or an obtuse angle

Q. An obtuse angle will always be expressed as a sum of one acute angle and other obtuse angle.

Q.

In a triangle if $si{n}^{2}A+si{n}^{2}B+si{n}^{2}C=2$, then triangle is always -

Q. Adding an acute angle to a right angle will give you a/an ____ angle.

Q. Sum of two acute angles will always be an acute angle.