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VARVARA [1.3K]
3 years ago
8

The Pythagorean theorem, a^2+b^2=c^2, is used to calculate the side length of a right triangle. Which equation can be used to ca

lculate the missing side length, b, of a right triangle?

Mathematics
2 answers:
spayn [35]3 years ago
7 0

Answer:

D b = sqrt(c^2 -a^2)

Step-by-step explanation:

We are using the Pythagorean theorem,

a^2+b^2=c^2

We want to solve for b

Subtract a^2 from each side

a^2 -a^2+b^2=c^2-a^2

b^2 = c^2 -a^2

Take the square root of each side

sqrt(b^2) = sqrt(c^2 -a^2)

b = sqrt(c^2 -a^2)

antiseptic1488 [7]3 years ago
6 0

Answer:

answer A : b=√(c-a)

Step-by-step explanation:

a²+b²=c²

subtract a² from both sides to isolate b²

b²=c²-a²

take the square root of both sides to get from what b² equals to what b equals

b=√(c-a)

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Answer:

x=35°

Step-by-step explanation:

So first, recall that the interior angles of a triangle must total 180°.

The sum of the angles for the given triangle can be described by:

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Since the total must equal 180°, set the expression equal to 180°.

2x+110=180

To find the value of x, we just need to solve for x.

To start, subtract 110 from both sides. The 110s on the left cancels:

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Now, divide both sides by 2. The 2s on the left cancel.

\frac{(2x)}{2}=\frac{(70)}{2}\\ x=35 \textdegree

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