A. The expression for the total perimeter of the pool is 12x² + 15.
Expression for the total perimeter of the pool
The expression for the total perimeter of the pool is calculated as follows;
P = 3L
where;
- P is perimeter of triangle
- L is length of a side of the triangle
From the given options;
A. 12x² + 15
B. 20x² + 25
C. 12x² + 8x + 25
D. 24x² + 16x + 50
From option A, 3 is a common multiplier of 12 and 15
Perimeter = 3L = 3(4x² + 5)
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