3 years ago

Helpppppp againnn plzzz

Mathematics

2 answers:

Karo-lina-s [1.5K]3 years ago

7 0

Answer:

x = 8.17

Step-by-step explanation:

We will be using pythagoras theorem:

$a^{2} + b^{2} = c^{2}$

=> $4.25^{2} + x^{2} = 9.21^{2}$

=> $x^{2}$ = 84.8241 - 18.0625 = 66.7616

=> x = $\sqrt{66.7616}$ = 8.17077719.. = 8.17 (3 s.f)

galina1969 [7]3 years ago

5 0

Answer:

x=8.17

Step-by-step explanation:

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