Angles 8 and 15 are supplementary.
C. three sides with the same length
R-7=7 add the seven from both sides, leaving the r alone, because this is what you are trying to find. Thus the answer is r=14.
Answer: 7
Explanation: both triangles are congruent, so the mid segment is half of 14
Answer:
12 units
Step-by-step explanation:
- chords
and 
are equidistant (7.2 units) from the center of the circle O. - Measures of the chords equidistant from the center of the circle are equal.
