hello10olleh
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Help Teacher Timing This Question Is Below Thank You Hello10olleh Hello class=

Sagot :

Answer:

D

Step-by-step explanation:

1. Split the triangle in half so that x = 1/2x

2. Use the pythagorean theorem to find 1/2x. [tex]\sqrt{13^2-12^2} =5[/tex]

3. Because 5 = 1/2x, multiply by 2 to get x = 10

gavinjchiu

Answer:

(D) x=10

Step-by-step explanation:

FIRST STEP:

Use a²+b²=c² form in which 12=a, 13=c, and x=b.

SECOND STEP:

Substitute a²+b²=c² for 12²+x²=13².

Simplify=144+x²=169.

THIRD STEP:

Take away 144 from both sides and get 25=x²

FOURTH STEP:

Since x is squared, we will have to square root both sides. After this happens, the equation will equal 5=x.

FIFTH STEP:

However, I only did half of the triangle, so I will multiply 5 by 2 and get 10.

So, the answer is 10=x

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