contestada

Find the side length, b.
Round to the nearest tenth.
C
a
BL
b
A
C
b = [?]
B = 90°
a = 6
C=7

Find the side length b Round to the nearest tenth C a BL b A C b B 90 a 6 C7 class=

Respuesta :

Answer:

b = 9.2 (Rounded to the nearest tenth)

Step-by-step explanation:

ABC is a right-angled triangle at B.

Then ,according to the Pythagorean theorem:

[tex]b = \sqrt{a^2 + c^2}[/tex]

  [tex]= \sqrt{6^2 + 7^2}[/tex]

 [tex]= \sqrt{36 + 49}[/tex]

 [tex]= \sqrt{85}[/tex]

 [tex]=9.219544457293[/tex]

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