Tools used in Geometry

Which geometric tool is basically used to draw a circular figure.

Write the name of the geometric tool which is used to measure the angles. 

With the same centre $\mathrm{O}$, draw two circles of radii $4 \mathrm{cm}$ and $2.1 \mathrm{cm}$ using ruler and compass.

Which geometric tool used to measure the distance between two points $?$

Draw a line segment of length $7.3 \mathrm{cm}$ using a ruler.

Draw a circle of radius $3.2 \mathrm{cm}$ using ruler and compass.

A scale helps us to draw line segments.

What are the element tools of practical geometry?

Solve the given crossword puzzle and then fill up the given boxes.

Down

3. An instrument used to draw an angle of $90°$. (Pair of compasses/Protractor)