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# Calculate the arc length of arc XZ. Round to the nearest kilometer.?

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- PhilomelLv 71 month ago
There are two.

The circumference =2*pi*R=106.8 Km.

135 deg= 3/8 of the circ.=41Km

225 deg=5/8 C=106.8-40.6=66Km.

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- KrishnamurthyLv 71 month ago
The arc length of arc XZ:

34 pi (3/8) = 51/4 pi = 40.05530633327 km

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- Anonymous1 month ago
(135 deg/360 deg) * pi * 2 * 17 km

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- billrussell42Lv 71 month ago
the circumference is πd = 2π17 = 34π

the arc is 135/360 of that or

(135/360)34π = 40 km

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- 1 month ago
(135/360)(2 * pi * 17 km) = 40.055 km ~ 40 km

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- sepiaLv 71 month ago
The arc length of arc XZ:

34 pi (135/360) km

= 40.05530633327 km

= 40 km (round to the nearest km)

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