Question 1046776
{{{drawing(300,300,   -30,30,-1,12,  
circle(24,0,0.4),
circle(-24,0,0.4),
circle (0, 10,0.4),
line(24,0,0,10),
line(-24,0,0,10),
line(0,0,0,10),
line(-24,0,24,0)
locate (-30, 5, "h"))}}}
A = 1/2 bh
A' = (1/2)(1.30b)((1.20h)
A' = (1/2)(1.56)bh
A' = (1.56) [(1/2)bh]
A' = 1.56A
the area is increased by 56%