Answer:
Is that actually your hw-?
Step-by-step explanation:
Break it up into 2 triangles. base is 4.5, hypotenuse is 9
4.5^2+b^2=8120.25+b^2=81b^2=60.75
h=7.794228634059948
Answer:92.4
Step-by-step explanation:
4x+7x=132
10x=132
x=132/10
x=13.2
4x=4×13.2
=52.8
5x=7×13.2
=92.4