How to find the perimeter of a rhombus - ACT Math

Card 0 of 3

Question

If a side length of a rhombus is half, what is the perimeter of the rhombus?

Answer

Write the formula to find the perimeter of a rhombus.

Substitute the side length and simplify.

$P=4(\frac{1}{2})=2$

Compare your answer with the correct one above

Question

Find the perimeter of a rhombus if the side length is .

Answer

Write the formula to find the perimeter of a rhombus.

Substitute the side length and solve.

Compare your answer with the correct one above

Question

If the side length of a rhombus is $\frac{11}{8}a+\frac{1}{2}b$ , what is the perimeter?

Answer

Write the formula for the perimeter of a rhombus.

Substitute the side length and solve for the perimeter.

$P=4\left(\frac{11}{8}a+\frac{1}{2}b\right) = \frac{11}{2}a+2b$

Compare your answer with the correct one above

Tap the card to reveal the answer