Question 52
Fill in the blanks to make the statement true.
The supplement of a right angle is always ___ angle.
Let x be the supplement of the right angle. Then,
x+90∘⇒x=180∘−90∘=90∘
The longest side of a right-angled triangle is called its ___
Question 51
The sum of an exterior angle of a triangle and its adjacent angle is always ___.
Question 56
An angle which is half of its supplement is of ___
Question 26
The number of right angles in a straight angle is ______ and that in a complete angle is ________.
Question 55
In an isosceles triangle, two angles are always ___