the slant height of the cone make an angle 30degree with it's height the slint height is 40cm metres what is the relation connecting the radius the height and of the cone? what is its radius?
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Relation is that h²=r²+l²
In this triangle cos 30°= b/h
=>√3/2=r/40
=>r=20×√3
=>r=34.64 cm
MARK BRAINLEIST
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