Math Homework help for 1/07

Math homework "help"
Formula for finding the area of the triangles:
1/2bh=A
or
bh/2=A
so the formulas (and subsitutions) are as follews
1.
triangle type:A right scalene triangle
triangle area:16cm2
triangle formula work:
1/2bh=A
1/2 8(4)=A
1/2 32=A
16=A

2.
triangle type:A right scalene triangle
triangle area:25cm2
triangle formula work:
1/2bh=A
1/2 5(10)=A
1/2 50=A
25=A

3.
triangle type:A obtuse scalene triangle
triangle area:13.5cm2
triangle formula work:
1/2bh=A
1/2 3(9)=A
1/2 13.5=A
13.5=A

4.
triangle type:A obtuse scalene triangle
triangle area:9cm2
triangle formula work:
1/2bh=A
1/2 3(6)=A
1/2 18=A
9=A

5.
triangle type:A acute scalene triangle
triangle area:16cm2
triangle formula work:
1/2bh=A
1/2 8(4)=A
1/2 32=A
16=A

6.
triangle type:A acute scalene triangle
triangle area:25cm2
triangle formula work:
1/2bh=A
1/2 5(10)=A
1/2 50=A
25=A

7.
triangle type:A right scalene triangle
triangle area:13.5cm2
triangle formula work:
1/2bh=A
1/2 3(9)=A
1/2 27=A
27=A