(Score for Question 1:___ of 4 points) 1. What is the value of x? Show all of your work.
A
x cm
1117 cm
w
B
6 cm
С

9 cm

Step-by-step explanation:

Because the triangle in the picture is a right angle triangle, we can use the Pythagorean theorem to solve the unknown side.

The Pythagorean states that if you take the legs of a right triangle and square them and add them up, they will equal the hypotenuse squared.

In a mathematical equation:

In this problem, we know the length of one leg and we know the length of the hypotenuse.

The variables a and b in the equation  are the legs. So, they are interchangeable. But the c variable is the hypotenuse.

Plug in the values.

Solve for b.

b = 9

So, the unknown side is 9 cm long.

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step-by-step explanation: