Step-by-step explanation:
s=b×h/2
h=3.3
s=3.3b/2
s=22.4
22.4=3.3b/2
22.4(2)=3.3b
3.3b=44.8
divide both sides by 3.3
b=44.8/3.3
b=13.57
to the nearest tenths
b=13.6
a=c×h
h=10
c=x
a=10x
a=59.7
59.7=10x
divide both sides by 10
x=59.7/10
x=5.97
x=6
