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Here given that :-
- Hypotenuse = 8cm
- Theta = 60°
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Applying cosine here
→ cos theta = Base/ hypotenuse
→ cos 60° = x / 8 { cos 60° = 1/2/}
→ 1×8/2 = x
→ x = 4cm = radius
Diameter = 2r
So , diameter = 8 cm .
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