To warn ships of underwater rocks- a light house spreads a red colored light over a sector of angle 80- to a distance of 16-5 km- The area of the sea over which the ships are warned isA- 200 km 2B- 190-14 km 2C- 135-7 km 2D- 180-5 km 2

The correct option is B 190.14 km2 ...

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Standard X

Physics

Curved Surface Formula

To warn ships...

Question

To warn ships of underwater rocks, a light house spreads a red colored light over a sector of angle 80^o to a distance of 16.5 km. The area of the sea over which the ships are warned is

200 km²

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190.14 km²

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135.7 km²

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180.5 km²

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Solution

The correct option is B
190.14 km²

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Similar questions

Q. To warn ships for underwater rocks, a lighthouse spreads a red coloured light over a sector of angle

80^{\circ}

to a distance of

16.5 k m

. Find the area of the sea over which the ships are warned. (Use

π = 3.14

)

To warn ships for underwater rocks, a lighthouse spreads a red coloured light over a sector of angle $80^{\circ}$ to a distance of 16.5 km. Find the area in $k m^{2}$ of the sea over which the ships are warned. (Use $π$ = 3.14)

Q. Question 12
To warn ships for underwater rocks, a lighthouse spreads a red coloured light over a sector of angle

80^{\circ}

to a distance of 16.5 km. Find the area of the sea over which the ships are warned.

(U s e π = 3.14)

Q. To warn ships for underwater rocks, a lighthouse spreads a red coloured light over a sector of angle

80^{\circ}

to a distance of 16.5 km. The area of the sea over which the ships are warned is 190

k m^{2}

(app.).

Question 12
To warn ships for underwater rocks, a lighthouse spreads a red coloured light over a sector of angle $80^{\circ}$ to a distance of 16.5 km. Find the area of the sea over which the ships are warned.
$(U s e π = 3.14)$

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To warn ships of underwater rocks, a light house spreads a red colored light over a sector of angle 80o to a distance of 16.5 km. The area of the sea over which the ships are warned is

The correct option is B 190.14 km2

To warn ships of underwater rocks, a light house spreads a red colored light over a sector of angle 80^o to a distance of 16.5 km. The area of the sea over which the ships are warned is

The correct option is B
190.14 km²