The radius of a circle is 2.8 cm. what is the length of an arc of measure 90?°
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2
The measure of an arc is 90° so by Theorem Angle subtended by an arc at the centre is double Angle subtended at any point of remaining circle.
So, at the centre angle will be 180°
.°. Chord is diameter then it will be 5.6cm
If right plz mark me as Brainliest
So, at the centre angle will be 180°
.°. Chord is diameter then it will be 5.6cm
If right plz mark me as Brainliest
Answered by
8
Length of an arc =0/360*2πr.
=90/360*2*22/7*2.8
=1/4*44/7*2.8
=4.4
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