Question Text
Question 4 :
I'm going to place a rope around the perimeter of our school playground that is in the shape of an octagon. The sides are $10\ \text{m}, 10\ \text{m}, 8\ \text{m}, 8\ \text{m}, 5\ \text{m}, 5\ \text{m}, 9\ \text{m}$ and $9\ \text{m}$. How many metres of rope will be needed for the perimeter?
Question 6 :
If two sides of a triangle are 6 cm and 8 cm, then the length of the third side is
Question 7 :
If a regular hexagon is inscribed in a circle of radius $r$, then its perimeter is -
Question 8 :
Find the area of a triangle whose sides are 9 cm, 12 cm, and 15 cm.
Question 9 :
The resultant of "factor $\times$ factor $ ......$" is equal to<br/>
Question 16 :
If a cellphone costs Rs.$999$. What is the cost of $12$ such cellphones?
Question 17 :
On a scale of map $1.5 \,cm$ represents $24\, km$. If the distance between two points on the map is $76.5\, cm$, then the actual distance between these points is.