Fill in the blanks .
A right angle is _________of a revolution.
(ii) A figure whose all sides are equal and all angles are _______is called regular closed figure.
(iii) The product of two negative integers is a_______ integer.
(iv) ______of a number is a number that comes just after that number.

Answer

C

Explanation

A revolution means complete angle i.e ., `360^(@)`
Right angle `=90^(@)=90^(@)xx(4)/(4)=(1)/(4)xx360^(@)`
So , a right angle is one -fourth of a revolution.
(ii) A figure with all sides and angles equal is called a regula closed figure.
(iii) Product of two negative integers is positive integer.
(iv) Successor of a number comes just after that number.