2 years ago

Find the length of the third side. If necessary, write in simplest radical form.

Mathematics

2 answers:

sashaice [31]2 years ago

8 0

Agreed with guy above thanks

Angelina_Jolie [31]2 years ago

3 0

Answer:

the length of the missing side is 2

Step-by-step explanation:

Use a^2 + b^2 = c^2

a = 4

b = ?

c = 2sqrt5

4^2 + b^2 = (2sqrt5)^2

16 + b^2 = 20

subtract 16 from both sides

b^2 = 4

take the sqrt of both sides

b = 2

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