Question

Find the value of x.


A. 4.3
B. 2.7
C. 11.6
D. 13.9

Answer 1

[D] 13.9

Step-by-step explanation:

• Pythagorean theorem: a² + b² = c²
• Solve for hypotenuse (side x) using: c = √a² + b²

12.8² + 5.3² = 191.93

√191.93

= 13.8538803229

Round the answer

13.9