Finding Arc Length And Sector Area Worksheet. Find the length of arc cd. Find the length of arc ab.

Arc Lengths and Area of Sectors Maths Worksheet and Answers Math
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Find the length of arc ab. Find the length of arc cd. To calculate the sector’s area from arc length, consider the formula arc length = rθ.

To Calculate The Sector’s Area From Arc Length, Consider The Formula Arc Length = Rθ.

Plug in the known values to find the missing r or θ and proceed to calculate the area of sectors as usual. Find the length of arc cd. Area = \dfrac {1} {2}\textcolor {red} {r}^2\textcolor {blue} {\theta}\\ = 21r2θ area = \dfrac {1}.

As The Angle Is In Radians, We Can Use This Formula To Calculate The Area Of The Sector:

The diameter is 24 cm. Find the length of arc ab.