She has 21 eggs total; 7*3 is 21 and it can't be grouped by those numbers.
By definition, the area of the trapezoid is:
A = (1/2) * (AB + CD) * (h)
Where,
AB, CD: bases of the trapezoid
h: height
Substituting values:
A = (1/2) * (19 + 19) * (14)
A = 266 units ^ 2
Answer:
The area of the special trapezoid is:
A = 266 units ^ 2
Answer:
not enough info
Step-by-step explanation: