Applications of Arc Length

Find the length of the bolded arc.

Find the arc length of the sector. Round your answer to the nearest tenth.

• 4.8 units

• 2.6 units

• 7.9 units

• 5.2 units

Find the area of the dark blue sector shown at the left. The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units. Express answer to the nearest tenth of a square unit.

• 0.3 square units

• 15.7 square units

• 19.7 square units

• 50.3 square units

Find the length of the arc to 2dp

• 9.42cm

• 150.80cm

• 4.71cm

• 18.85cm

Find the length of the arc to 2dp

• 31.42cm

• 15.71cm

• 282.74cm

• 23.56cm

Find the length of the arc to 2dp

• 2.09m

• 301.59m

• 1.05m

• 2.51m

Find the length of the arc to 2dp

• 25.12cm

• 12.57cm

• 628.32cm

• 31.42cm

Find the length of the arc to 2dp

• 1.95cm

• 3.91cm

• 0.98cm

• 2.93cm

Find the length of the arc to 2dp

• 49.74cm

• 24.87cm

• 4.97cm

• 24.9cm

Find the length of the arc to 2dp

• 32.11cm

• 16.05cm

• 780.84cm

• 32.99cm