He would need 6 meters of copper piping or just a tiny tincy bit more
Answer:
8r+72
Step-by-step explanation:
Answer: 69
Step-by-step explanation:
The two angles are a linear pair, which means that they lie on the same line. Therefore, you just have to substract angle 1 with 180.
180-111=69
Answer:
2 x 15 +7
Step-by-step explanation: