WebFeb 14, 2024 · Sector Area = r² × α / 2 But where does it come from? You can find it by using proportions. All you need to remember is the circle … WebExample 1: Find the area of the sector of a circle with radius 3 cm and of angle 20°. Solution: Area of the sector = (θ/360°) π r 2 = ( 20/360 ) x 3.14 x 3 x 3 = 1.57°. Example 2: A lighthouse casts a red-colored light over a sector of angle 70° to a distance of 20 km to warn sailors of undersea rocks. Find the area of the sea where ships ...
Area of a Circular Sector - Study.com
WebRadius = 6cm 6cm. 2 Find the size of the angle creating the sector. Angle = 90° 90° (shown by the symbol of the right angle). 3 Substitute the value of the radius and the angle into the formula for the area of a sector. Area of … WebWhen the angle of the sector is 360° (i.e., the whole circle), Then the area of the sector is: A = π r 2 When the angle is 1°, then the area of a sector is: A … dark red and gold nails
How to Calculate the Area of a Sector: 7 Steps (with …
WebThe procedure to use the area of a sector calculator is as follows: Step 1: Enter the arc length and theta value in the input field Step 2: Now click the button “Calculate” to get the area of a sector Step 3: Finally, the area of a sector will be displayed in the output field What is Meant by Area of a sector? WebArea of a circular sector Calculator Home / Mathematics / Area Calculates the area, circular arc and chord of a circular sector given the radius and angle. radius r angle θ degree radian area S circular arc L chord c Customer Voice Questionnaire FAQ Area of a circular sector [1-10] /56 Disp-Num WebOct 1, 2024 · Area of Circular Sector Formula Using Degrees. To solve for the area, we need to know the radius and the central angle. We know that the area of a circle is {eq}A = \pi r^2 {/eq}. dark red apple with pink flesh