Asked by Oma
A chord of a circle of radius 26cm is 10cm from the centre of the circle . Calculate the length of the chord
Answers
Answered by
mathhelper
Draw the perpendicular from the centre to the chord.
You are now looking at a right-angled triangle with a height of 10
a hypotenuse of 26 and a missing base of x
x^2 + 10^2 = 26^2
find x, and remember that x is only half the chord
You are now looking at a right-angled triangle with a height of 10
a hypotenuse of 26 and a missing base of x
x^2 + 10^2 = 26^2
find x, and remember that x is only half the chord
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