X×2=10
X=10÷2
X=5
Proof: 5×2=10
The value of 
<u>Solution:</u>
Given: 
To find: The value of (h*h)(10)
We know that, 
which is,

On solving we get,

So, for x = 10 it will be,

Hence, the required value is 10.
Answer:
The area of the semi circle 
Step-by-step explanation:
<u><em>Explanation</em></u>:-
<em>Given radius of circle 'r' = 10 cm</em>
<em>The area of the circle formula </em>
<em> </em>
<em></em>
<em>The area of the semi circle formula </em>

taking π =3.142

On calculation , we get

<u><em>Final answer</em></u>:-
<em>The area of the semi circle </em>
<em></em>