Math, asked by ks5908594, 3 months ago

2. Find the perimeter of the square whose area is 16 cm².


लेटेस्ट साइड ऑफ ए स्क्वायर बी एक्स एरिया ऑफ़ स्क्वायर इज़ इक्वल टू साइड एंड सोसाइटी स्कूल एक्स एक्स एक्स एक्स एक्स एक्स स्क्वायर इज इक्वल टू 16 सेंटीमीटर एंड 16 cm

Answers

Answered by priyranjan95
1

Answer:

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Answered by Anonymous
1

Answer:

Here, Radius of circle r=7cm

⇒ Area of circle =πr

2

=

7

22

×(7)

2

=154cm

2

⇒ Side of equilateral triangle is 14cm.

⇒ Area of equilateral triangle =

4

3

×(side)

2

⇒ Area of equilateral triangle =

4

3

×(14)

2

⇒ Area of equilateral triangle =

4

1.73

×196=84.87cm

2

⇒ ∠A=60

o

[ Angle of equilateral triangle ]

∴ θ=60

o

⇒ Area of sector =

360

o

θ

×πr

2

⇒ Area of sector =

360

o

60

o

×

7

22

×(7)

2

∴ Area of sector =25.66cm

2

⇒ Area of shaded region = (Area of circle + Area of equilateral triangle ) - 2×Area of sector

⇒ Area of shaded region =(154+84.87)−51.32=187.55cm

2

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