WebJun 18, 2013 · Find the area of the shaded sector. radius of 3 ...A+ = 7.07 What is the formula to be used if the diameter is given? The answer depends on the formula for … WebJan 11, 2024 · Arc length and sector area. You can also find the area of a sector from its radius and its arc length. The formula for area, A, of a circle with radius, r, and arc length, L, is: A= (\frac {r\times L} {2}) A = ( 2r×L) …
4.3: Area of a Sector - Mathematics LibreTexts
WebJul 3, 2024 · The formula for finding a sector angle is: Sector Angle = Arc Length * 360 degrees / 2π * Radius. The 360 represents the 360 degrees in a circle. Using the arc length of 3 inches from the previous slide, and a … WebThe radius is the distance from the edge of the circle to the centre. The diameter is twice as long as the radius. Example. The pizza has a radius of 16 cm. What is the diameter? shore parkway brooklyn rentals
Find the Area of the Shaded Region of a Circle: Clear Examples
WebApr 1, 2024 · The formula for the area of a sector is (angle / 360) x π x radius2. The figure below illustrates the measurement: As you can easily see, it is quite similar to that of a … WebFeb 12, 2024 · Then, the circle sector angles are, α = sin − 1 h r 1, β = sin − 1 h r 2. The purple and orange areas are respectively the differences between the corresponding circle sectors and triangles, i.e. S a = α r 1 2 − h r 1 2 − h 2, S b = β r 2 2 − h r 2 2 − h 2. Thus, the area inside both circles is. S a + S b = r 1 2 sin − 1 h r 1 ... WebThe area of the shaded sector depends on the length of the radius. e. The ratio of the area of the shaded sector to the area of the circle is equal to the ratio of the length of the arc to the area of the circle. What is the area of the shaded sector of the circle? 9 27 81 162 b. 27pi units squared In circle G, r = 3 units. sands ocean resort myrtle beach sc