Angle in a Semicircle
Angle in a Semicircle
Theorem 1 The angle in a semi- circle is a right angle.
Given PQ is a diameter of a circle C(O,r) and To prove PROOF We know that the angle subtended by an arc of a circle at its centre is twice the angle formed by the same arc at a point on the circle. So, we have
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| Right Option : A | |||||
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| Right Option : B | |||||
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​​​​​​​The area of the largest triangle that can be inscribed in a semicircle whose radius is r cm is : | |||
| Right Option : B | |||
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