Answer:
He has missed out 150cm
Step-by-step explanation:
Answer: 62 degrees
Answer: −x^2+14x−44
x=3k
y=3k
z=4k
x+y+z=180
3k+3k+4k=180
10k=180
k=180/10
k= 18
z=4*18
z=72
answer: 72