The answer I got was 224x^9
Answer: BD = 28
<u>Step-by-step explanation:</u>
BC = 21, CD = 7 Given
BC + CD + BD Segment Addition Postulate
21 + 7 = BD Substitution
28 = BD Add Like Terms
Answer:
65
Step-by-step explanation:
remember a TRIANGLE always have a 180 degrees total angle,
so 45+70=115
180-115=65