3 years ago

Determine the arc length measurement

Mathematics

2 answers:

bazaltina [42]3 years ago

7 0

Arc length is equal to its corresponding central angle.

That means that the arc measures 120° too.

Pachacha [2.7K]3 years ago

4 0

Answer:

≈ 4.2 cm

Step-by-step explanation:

The arc length is calculated as

arc = circumference of circle × fraction of circle

= 2πr × $\frac{120}{360}$ ( r is the radius )

= 2π × 2 × $\frac{1}{3}$

= 4π ÷ 3

≈ 4.2 cm ( to 1 dec. place )

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Read 2 more answers