Answer:
b= 322.8
Step-by-step explanation:
10.50a + 3.75b = 2071.50
10.50 (82) + 3.75b = 2071.50
861 + 3.75b = 2071.50
-861 -861
3.75b = 1210.5
/3.75 /3.75
b = 322.8
I believe that the missing letter would be E and S which would be in between S and T
Answer:
1587.6 m²
Step-by-step explanation:
where b is the base length and h is the height (b and h on the triangle will always be perpendicular to each other)
Plug in 75.6 m as b and 42 m as h

I hope this helps!
2.A
3.C
Hope this helped!!!