Respuesta :

sqdancefan

Answer:

  4.7

Step-by-step explanation:

The segment marked x connects the midpoints of the chord and the diameter, so is the unknown leg of a right triangle with hypotenuse 16/2=8 and leg 6.5.

The Pythagorean theorem tells you ...

  x² + 6.5² = 8²

  x = √(64 -42.25) ≈ 4.664 ≈ 4.7

Otras preguntas