49/9=m/n this is because you multiply by the reciprocal of 3/7
Answer:
sin 30°=8/c
1/2=8/c
c=16.
tan 60°=b/8
√3=b/8
b=8√3.
y = x + 15 –(1)
x + y = 85
Putting (1)'s value,
x + x + 15 = 85
2x + 15 = 85
2x = 85 - 15 = 70
x = 70/2 = 35
false it changes the length but not size