Lesson 7.4
Conjectures Geo Sketchpad
C-68 The measure of an inscribed angle in a circle is half the measure of the arc it intercepts.
C-69 Inscribed angles that intercept the same arc are congruent.
C- 70 Angles incribed in a semicircle are right angles.
C-71 The opposite angles of a quadrilateral inscribed in a circle are supplementary.
A + C = 180 B + D = 180
Cyclic quadrilateral - A quadrilateral incribed in a circle.
C-72 Parallel lines intercept congruent arcs on a circle.
Find the value of x. 127 O x
Find the value of x. 132 O 92 O x y
Find the value of x. 73 O 98 O x y
Find the degree measure of 53 O x A B C
Find the degree measure of 53 O x A B C
Find the degree measure of 104 O D A B C
Find the value of y. 73 O 98 O x y
Find the degree measure of 26 O A B C
Find the degree measure of 104 O D A B C
Find the degree measure of 26 O A B C
Find the degree measure of 26 O A B C D
Find the value of x 35 O A B C x y
Find the value of y 35 O A B C x y
Find the degree measure of 19 O A B C D
A B C
A B C
A B C D
Find the degree measure of 75 O A B C
Find the degree measure of 40 O A B C D
Find the degree measure of 40 O A B C D 32 O
Find the measure of 73 O 98 O x y A B C D
Find the value of 132 O 92 O x y A B C D
Find the value of 35 O A B C x y
Find the value of x.
Find the value of y.
Find the value of z.
Homework 7.4 p. 346 #1-15