It is known from the condition that the area of the rhombus is 15, and its height is 3.
Let’s remember the formula for finding the area of a rhombus through the side and the height dropped on it.
S = h * a, where h is the height of the rectangle and a is the side to which the height is dropped.
Let’s plug in the known values and solve the resulting equation.
3a = 15;
We are looking for a variable as an unknown factor, for this we divide the product by a known factor:
a = 15: 3;
a = 5.
We are looking for the perimeter of the rhombus by the formula:
P = 4a;
P = 4 * 5 = 20 rhombus perimeter.
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