Inscribed Quadrilaterals Section:
.5
9
Questions/Main
Examples & Notes
Ideas
Inscribed • quadrilateral
If a ________________ is inscribed in a circle, then its
Quadrilaterals opposite
______________ angles are __________________.
supplementary
mCJ + MLL 180
Examples Find each value or measure.
=
m(J + 92 = 180
Check ! 1.
m(J = 88
must
All angles 180
-
mc1L m<m
=
+
add to 360 m(k 45 180
up
+ =
mCK =
135
O
88
1350
2. mcS + m2Q =
180
m(S + 93 =
180
O
i m(S = 870
f 1088
m(r =
z(90 126) +
878
=
108 728
360 87 108 93 1080
<P
-
-
-
m =
= 728 878
3. m zw + m2Y = 180
m(w + 5) = 180
m(w = 129
z((01 67)
1290
m(x = +
zu = 84 968
129 84 1298
m(V 360 51
-
-
-
=
= 968
840