A spotlight has a beam that travels 100 feet and covers an area intercepted by an 84°
angle, as shown

What is area covered by the beam to the nearest square foot?
31416 satt
184 sq.ft
7330 sq.ft
26389 sq.ft

A spotlight has a beam that travels 100 feet and covers an area intercepted by an 84 angle as shown What is area covered by the beam to the nearest square foot class=

Respuesta :

Answer:

7330 sq.ft

Step-by-step explanation:

Area covered by the beam = Area of sector

Area of sector = [tex] \frac{\theta}{360} \times \pi r^2 [/tex]

Where,

[tex] \theta = 84° [/tex]

Radius (r) = 100 ft

Plug in the values into the formula

Area of sector = [tex] \frac{84}{360} \times \pi 100^2 [/tex]

Area of sector = [tex] \frac{84 \times \pi \times 10,000}{360} [/tex]

Area of sector = 7,330 ft² (nearest square foot)