Question

Please answer!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

Answer:

D

Step-by-step explanation:

You have 2 5 12 13 right triangles.

x = 2 * 5

x = 10

Answer 2

Answer:

D. $x=10$

Step-by-step explanation:

You can use the Pythagorean Theorem, $a^2+b^2=c^2$, where a and b are the legs and c is the hypotenuse.

$12^2+b^2=13^2\\144+b^2=169$

Subtract 144 from both sides

$b^2=25$

Square root both sides

$b=5$

$2b=x\\b=5\\x=10$