what is the length of arc AB making angle 126° at the centre of radius 8cm.
Answers
Answered by
0
Answer:
Setting a proportion
AB : OB : : 126 : 360
2πr
AB
=
360
126
AB
=(
360
126
)×2πr
AB
=(
360
126
)×2π×8
AB
=5.6π
Step-by-step explanation:
Ans is 5.6π
Answered by
0
5.6π
Step-by-step explanation:
Setting a proportion
AB : OB : : 126 : 360
2πr
AB
=
360
126
AB
=(
360
126
)×2πr
AB
=(
360
126
)×2π×8
AB
=5.6π
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