To get the measurement of AD, you have to add AC and CD together roger your answer of AD=23
Answer:
b
Step-by-step explanation:
You see if you have a same varibles like 3n and 7n u add them that woud be 10 then u subtract the other #s from 10
Answer:
d
Step-by-step explanation:
9 x 20 + 4 x 9 + ( 4 x 9) / 2