What do u mean by angle A
5 for 2.40
2.40 x 2 is 4.80 for 10 cans which is cheaper than 6.50
3. if there were less than 3 acute angles, the triangle would be either obtuse or right.
Answer:
correct option if Option D
Answer:

Step-by-step explanation:
Assume a pentagon has equal length where a be the side of the pentagon and r be the apothem of the pentagon.
Given:
Sides of pentagon 
apothem of pentagon 
The area of the pentagon formula is given below.

Where b = length of the base or side
And h = height of apothem
Now, we substitute side and apothem length in above formula.


Therefore, the area of the pentagon is 