find the length of an Arc if measure of the arc is 90° and it's radius is 14 cm
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Answered by
14
arc length (l)=radius×measure of angle
radius=14cm
measure of angle=90°
=π÷2
l=14× π÷2
l= 7π
radius=14cm
measure of angle=90°
=π÷2
l=14× π÷2
l= 7π
radhakrishnadarwade:
thanx
priya
by the way how 90° becomes a π÷2
ya π in the sense 180° and 180°÷2=90.since the answer should be written in radians we use π÷2
hope you got
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Answered by
19
Answer:
Step-by-step explanation:length of arc = 90/360 × 22/7 ×14 ×14
= 1/4 × 22/7 × 14 ×14
= 11 × 14
= 154 cm
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