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Area and Length, Page 14

Homework 6

20 points

Complete your homework and submit it to your instructor.

  1. Given a central angle of 110° and a radius of 2.5 cm, find the length of the intercepted arc. Round your answer to the nearest tenth.
  2. Find the radius of a circle with a central angle of 3pi/5 radians and the length of the intercepted arc equal to 6.9 cm. Round your answer to the nearest tenth.
  3. Find the area of a sector with a central angle of 2pi/3 radians and a radius equal to 3.4 inches. Round your answer to the nearest tenth.
  4. Find the measure of the central angle, in radians, given the area of the sector as 
    22.6 cm2 and a radius equal to 3.7 cm. Round your answer to the nearest tenth.