Vinay Sharma and H K Thakur Solutions for Chapter: Understanding Elementary Shapes, Exercise 9: CHAPTER ASSESSMENT

An angle of $90°$ is known as _____ angle.

A triangle having all angles _____ than $90°$ is called an acute-angled triangle.

An _____ angle measures between $90°$ and $180°$.

It is not possible to draw a triangle having two of its angles to $90°$.

A perpendicular line always bisects a line segment into two equal parts.

An angle whose measure is less than a right angle is called an obtuse angle.

A quadrilateral is a polygon which has four sides.

The diagonals of a rhombus are equal in length.