Save guides, add subjects and pick up where you left off with your BBC account. To calculate the sector area, first calculate what fraction of a full turn the angle is. Calculate the area of this ...
Calculate the arc length to 2 decimal places. First calculate what fraction of a full turn the angle is. 90° is one quarter of the whole circle (360°). Therefore, the arc length is \(\frac{1}{4}\) of ...
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