S = n(a1 + an)/2
2S = n(a1 + an)
2S = na1 + nan
nan = 2S - na1
an = (2S - n a1)/n
Answer:
i think both of them cant be
Step-by-step explanation:
Disculpe pero de qué grado es usted para ayudarle un poquito más mejor
True
∠2 and ∠5 are both vertical at the vertex of the 2 straight lines
Answer:
308 cm³
Step-by-step explanation:
The volume (V) of a rectangular prism ( cuboid ) is
V = lbh ( l is the length, b the breadth and h the height )
Here l = 11, b = 7 and h = 4, thus
V = 11 × 7 × 4 = 308 cm³