3 years ago

Find the missing side lenght of the triangle below

Mathematics

2 answers:

Fofino [41]3 years ago

6 0

Answer:

Step-by-step explanation:

Use Pythagorean theorem

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

c= always hypotenuse/ longest side/ side across from right angle = 13

a= 5

$5^2+b^2=13^2$

$25+b^2=169$

Subtract 25 from 169

$b^2= 144$

Square root both sides

b= 12

--------

it's also a special triangle known as a 5, 12, 13 triangle

Novay_Z [31]3 years ago

3 0

Answer:

Step-by-step explanation:

5^2 + x^2 = 13^2

x = 12

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