a square of side 7cm exclosses a circle touching all the four sides, then the area enclosed between the square and the circle is _________cm²
Answers
Answer:
Area of the square =7*7=49 sq cm
Area of the circle = 22/7*7=22 sq cm
Area between the square and circle is (49-22)=27sq cm.
Answer:
10.5cm²
Step-by-step explanation:
Given :
A square of side 7 cm enclosed a circle touching all its four sides.
Side of the square = 7cm.
To be found :
The area enclosed between the square and the circle.
→Follow the attached image
Now,
To find area enclosed between the square and the circle, we have to find- area of circle and area of square.
Then, we have to subtract area of circle from the area of square.
So,
Area of square = (side)×(side) = (side)² unit sq.
Area of square = (7)² = 49 cm²
As from the given statement of question, we can get the diameter of the circle.
The diameter of the circle = side of the square
So, diameter = 7cm
Radius(r) of the circle = (7/2) cm
∴ 2r = diameter or diameter = (r/2)
Now,
Area of circle = πr² unit sq.
\begin{gathered}\tt Area \: of \:the\: circle = \frac{ {\cancel{22}}^{11} }{\cancel{7} }\times\frac{\cancel{7}}{\cancel{2}} \times \frac{7}{2} \\ \\ \tt Area\: of\:the\:circle = \frac{77}{2} = 38.5 \:cm^{2}\end{gathered}Areaofthecircle=72211×27×27Areaofthecircle=277=38.5cm2
Now,
area enclosed between the square and the circle
= Area of square - Area of circle
= 49 - 38.5
= 10.5 cm²
Hence,
The area enclosed between the square and the circle is \red{\underline{\underline{\tt{10.5 cm^{2} }}} }10.5cm2 .
Hope it helps you!