First, note that
Then

Consider all options:
A.

By the definition,

Now

Option A is true.
B.

By the definition,

Then

Option B is false.
3.

By the definition,

Now

Option C is false.
D.

By the definition,

As you can see
and option D is not true.
E.

By the definition,

Then

This option is false.
Answer:
2.97142857143 = 104/35
Step-by-step explanation:
On calculators, anytime we're doing a fraction problem and we use calculators, It doesn't give us the fractions all it gives us is decimals, but i finally got the fraction for you. hope this helped
Make sure nobody copied and pasted my answer because i would be WILLING TO report their answer for copying and pasting
A = (1/2) * b * h
The base is 10; the x-value going from 0 to 10.
The perpendicular height is 2; the y-value going from 0 to 2
A = (1/2) * 10 * 2
A = 10 units ^2