Embibe Experts Solutions for Chapter: Geometrical Shapes, Exercise 1: Exercise 1

If the length of a line segment $\mathrm{AB}=3 \mathrm{cm}$ then $2\mathrm{AB}$ will be:

If two lines are perpendicular to each other then the angle between them at the point of contact is:

If two supplementary angles are in the ratio $13 : 5$. Find the greater angle.

In figure, if $PQR$ is tangent to a circle at $Q$ whose centre is $O$, $AB$ is a chord parallel to $PR$ and $\angle BQR={70}^{\circ }$, then $\angle AQB$ is equal to?

The ratio of two complementary angles is $1:5$ . What is the difference between the two angles?

A ΔABC such that AB = $3$$\text{ cm}$cm, BC = $2$ $\text{cm}$cm and AC = $2.5$ $\text{cm}$. ΔDEF similar to ΔABC. If EF = $4$ $\text{cm}$cm then the perimeter of ΔDEF is _____

In a rectangle $ABCD$, $P,Q$ are midpoint of $BC$ and $AD$ respectively and $R$ is any point on $PQ$, then $∆ARD$ equals -

If sum of the interior angle of regular polygon is $8$ right angle, then number of sides will be: