In a parallelogram, the diagonals bisect each other.
Therefore, x = 15.
Rational numbers are like the decimals and the important numbers
Answer:

Step-by-step explanation:

→ Convert the mixed number into an improper fraction

→ Complete the takeaway operation

→ Make the denominators the same

→ Simplify

Answer:
Step-by-step explanation:
Ac²= AB²+ BC²
Ac²= 4²+15²= 16+225
Square both side
Ac = √241= 15.52cm