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Brrunno [24]
3 years ago
11

I need to know the answer

Mathematics
1 answer:
Nesterboy [21]3 years ago
3 0

Answer in the attachment.

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Is the red line a radius or diameter of the circle
insens350 [35]

The diameter of the circle would be a line going through the center of the circle connecting to both sides.

The radius of a circle would be a line only going to the the center, or in other words, half the circle.

I hope this makes sense!

3 0
3 years ago
Find the missing length
Whitepunk [10]

Answer:

there's no picture

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
Find x in DEF<br><br>A. 6<br>B. 6 (square root 2)<br>C. 6 (square root 3)<br>D. 12​
netineya [11]

Answer:

B. 6√2

Step-by-step explanation:

We can use the Pythagorean Theorem to solve this out. The Pythagorean Theorem states that for any right triangle with the shortest sides (called legs) as a and b and the longest side (called the hypotenuse) as c:

a² + b² = c²

Here, a = b = 6, so:

6² + 6² = c²

36 + 36 = c²

72 = c²

c = √72 = 6√2

Now, we see the answer is B.

However, there's a trick to solving these kinds of problems. Notice that DEF is both an isosceles triangle and a right triangle. We call these 45-45-90 triangles because those are the angles of the triangle.

One characteristic of these types of triangles is that their leg to leg to hypotenuse ratio is 1 : 1 : √2, always. We could apply that here. We see that the legs are 6, so we could find the hypotenuse simply by multiplying 6 by √2, and we would get 6√2, which is exactly the value we obtained above.

Thus, the answer is B.

4 0
4 years ago
I need help solving Pythagorean theorem
viktelen [127]
Since theirs no question...

The formula for PT:

a^+b^=c^
5 0
3 years ago
3.<br> 813<br> - 516<br> Regrouping with subtraction
Eddi Din [679]

Answer:

297

Step-by-step explanation:

very simple

813

-516

297

6 0
3 years ago
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