I would think it would be just -39 points
Answer:
Step-by-step explanation:

<span>A=12h(a+b)
Solve for h.
</span>All these answers are incorrect
<span>A. h=2Aa+b
B.h=a+b2A
C.h=A2(a+b)
D.h=2(a+b)A
The answer is
h = A / 12(a+b)

</span>
Answer:
218 cm²
Step-by-step explanation:
= high × wide
= 9 × 2
= 18
= 6 × (5+3)
= 6 × 8
= 48
= 8 × (11+5+3)
= 8 × 19
= 152
area throughout
= 152 + 48 + 18
= 218 cm²
A triangle is 180 degrees. X+first length+second length=180. Then solve