Find the area of shaded region. Round to the nearest tenth.
3 answers:
Answer:
The solution is 192.83 ft²
Step-by-step explanation:
We need to find out the shaded region of the provided figure
Area of sector calculated as
and
Area of triangle is calculated as 
Area of circle is calculated as 
Where r is radius
so,
Area of sector is 




Area of triangle is 



Area of circle is 



Area of segment = area of sector - area of triangle
= 60.81 - 34.16
= 26.09 ft²
Area of shaded region = area of circle - Area of segment
= 218.92 - 26.09
= 192.83 ft²
Therefore, the solution is 192.83 ft²
Answer: 108.35
Step-by-step explanation:
ANSWER: 192.5
That's a circle less what's called a segment, the white part of the circle.
The circle has area A = πr² = π(8.35)²
The circular sector formed by the 100° angle is a fraction of A so has an area
S = (100/360) A
The isosceles triangle in the sector has two sides that are radii and an included 100° angle so the area
T = (1/2) ab sin θ = (1/2) (8.35)(8.35) sin 100°
The circular segment has area S-T so the area of the pink region is
P = A - (S-T) = A+T-S = π(8.35)² + (1/2) (8.35)² sin 100° - (100/360) π(8.35)²
= (8.35)²(π -(100/360)π + (1/2) sin 100°)
= (8.35)²((260/360)π + (1/2) sin 100°)
I hate ruining a nice exact answer with an approximation, but they asked.
≈ 192.527 square feet
Answer: 192.5
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