4. In the given figure, arcs PQ and RS of a circle with centre O have lengths 14 cm
and 20 cm respectively. Find the ratio of the areas of the sectors POQ and ROS.
Please answer this question.
Thank you in advance.
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Answer:
7/10
Step-by-step explanation:
Length of arcs are l=14 and l=20
radius of circle be r
Area of sector POQ=(l×r)/2
=(14×r)/2
=7r
Area of sector ROS=(l×r)/2
=(20×r)/2
=10r
ratio of area of POQ and ROS=7r/10r=7/10
ratio of areas of sectors=7/10
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