Asked by kelvin mafara

in a circle of radius 6cm , a chord is drawn 3cm from the circle (a)calculate the angle subtended by the chord at the centre of the circle
Answered by Reiny
so your chord is also 3 cm from the centre.

construct the right-angles triangle
look at the angle it makes at the centre,
cosØ = 3/6 = 1/2
Ø = 60°

the chord subtends an angle of 120°
Answered by Okunsanmi
Pls i need a clear and precise solution
Answered by Idowu
I need a clear understanding
Answered by Rodiat abdul
A clear answer plss
Answered by Awowoyin Kehinde
I need a clear answer
Answered by Fidelity
Please elaborate how cos∅=0.5,∅=60 and the angle subtends 120
degree
Answered by Pelumi
Clear answer please
Answered by Odogu
I need a clear understanding
Answered by Chelsea
Please I need the solving with the formula
Answered by Mariam
Cos¢=3/6=1/2
=60°
=120°
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