Answer:
Step-by-step explanation:
We want to evaluate
Let us evaluate within the parenthesis first:
We again subtract within the bracket to obtain:
This finally gives us:
Answer:
Congruent bases does NOT guarantee that a trapezoid is isosceles.
Answer:
12.375
Step-by-step explanation:
Length x Width
L x W
4.5*2.75 = 12.375
Step-by-step explanation:
the total surface area is the sum of the individual areas.
we have the ground area : a 6×6 square. = 36 cm²
and we have 4 equal triangles.
the area of a triangle is baseline × height / 2.
which is for each of these triangles
6 × 12 / 2 = 3 × 12 = 36 cm²
so, the total surface area of the pyramid is
36 + 4×36 = 5×36 = 180 cm²
Answer:
Se llama un reemplazo
Step-by-step explanation: