Answer:
Step-by-step explanation:
L=2w-3
P=42
42=2L+2w=2(L+w)
21=L+w
21=2w-3+w
3w=24
w=8
L=16-3=13
hello bro
tanA = sinA/cosA = (4/7)/(3/7) = 4/3
X=7
