Answer:
Answer D is correct
Step-by-step explanation:
You can use Pythagorean theorem to find this.
That means,
a² + b² = c²
here,
a ⇒ Side of right triangle
b ⇒ Side of right triangle
c ⇒ hypotenuse
Let us find now.
a² + b² = c²
a² + 4² = 8²
a² + 16 = 64
a² = 64 - 16
a² = 48
a = √48
a = 6.9 mm
Hope this helps you :-)
Let me know if you have any other questions :-)
