Quick Circles Practice

Quick Circles Practice

Circumscribed Angle

The central angle and the inscribed angle are supplementary (Add up to 180º) Angle DAE + 53º = 180º

Multiple Choice

What is the measure of angle DAE?

• 130º

• 50º

• 40º

• 25º

Secant

A secant is a line that cuts the circle at 2 points.

Secant Product Theorem

If two secants intersect in the exterior of a circle, then the product of the lengths of one secant segment and its external segment equals the product of the lengths of the other secant segment and its external segments.

The whole thing times the top part

(4+2)*4=(3.5+x)*3.5

Fill in the Blank

What is the length of chord KJ? HINT: NL times ML equals NK times KJ. round your answer to the nearest tenth