Answer:
i got b!
Explanation:
15 feet (:
Answer: b) 15 ft
The diagonals intersect at a right angle (one of the properties of a rhombus).
Use Pythagorean Theorem to find the length of the side.
9² + 12² = c²
81 + 144 = c²
225 = c²
15 = c
5.6m questions
7.3m answers