Lesson 7.3. If the diameter of a circle is 15 units in length, how long is the circle's radius?(answer in a decimal)

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Presentation transcript:

Lesson 7.3

If the diameter of a circle is 15 units in length, how long is the circle's radius?(answer in a decimal)

Find the value of x.

What is segment BC? a) center b) radius c) chord d) secant e) tangent f) diameter

What is segment QP? a) center b) radius c) chord d) secant e) tangent f) diameter

What is Q? a) center b) radius c) chord d) secant e) tangent f) diameter

What is EF? a) center b) radius c) chord d) secant e) tangent f) diameter

What is FL? a) center b) radius c) chord d) secant e) tangent f) diameter

Notes Tangent Circles- Circles that are tangent to the same line at the same point. externally tangent internally tangent

C-66 A tangent to a circle is perpendicular to the radius drawn to the point of tangency.

C-67 Tangent segments to a circle from a point outside the circle are congruent.

Circumscribed vs. Inscribed

Sketch a square inscribed in a circle.

Sketch a square circumscribed about a circle.

Given that AB and AC are tangent segments, find the value of x. 64 o x y z A B C O

Given that AB and AC are tangent segments, find the value of x. 64 o x y z A B C O

Given that AB and AC are tangent segments, find the value of x. 64 o x y z A B C O

Homework 7.3 #1-6, 8-10, 18, 20