geo fiinal

    Master this deck with 15 terms through effective study methods.

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    Created by @itrfjeifiegijbgiker-ojii

    What does 'Center sees DOUBLE' mean?

    Central angle equals the arc length.

    How is an inscribed angle related to its intercepted arc?

    It measures half the arc length.

    What is a property of opposite angles in a cyclic quadrilateral?

    They sum to 180°.

    What is the relationship between a tangent and a radius?

    They are perpendicular to each other.

    What happens to two tangents drawn from the same point?

    They are equal in length.

    What does the angle between a tangent and a chord represent?

    It equals the angle in the opposite arc.

    What is the formula for intersecting chords inside a circle?

    The product of the parts equals the product of the parts.

    What is the formula for arc length?

    L equals a fraction of the circle's circumference.

    When do you use the sector area formula?

    For calculating the area of a slice of the circle.

    How do you calculate the interior angle of a regular polygon?

    Use the formula involving the number of sides.

    What is the formula for the exterior angle of a regular polygon?

    It is always 360 divided by the number of sides.

    What is a common mistake regarding inscribed angles?

    Forgetting they measure half the intercepted arc.

    What should you avoid mixing up in circle problems?

    Arc length and sector area.

    What is a key feature of cyclic quadrilaterals?

    They have four points on the circle.

    What is the implication of a tangent being perpendicular to a radius?

    It creates a right angle at the point of contact.