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4 years ago

In circle D, which is tangent to the circle? GH AB CD EF

Mathematics

2 answers:

Paraphin [41]4 years ago

7 0

Answer:

AB.

Step-by-step explanation:

A tangent is a straight line which touches the circle at only one point.In the given circle with center D lines GH,FE are touching the circles at two points.

Tangent when extended will not touch the circle at more than one point.It will touch the circle at only one point .In the given figure AB is touching the circle at only one point B so it is a tangent to the circle D.

Greeley [361]4 years ago

4 0

A tangent line is located outside the circle so the answer would be AB

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vredina [299]

Answer:

x = 17

Step-by-step explanation:

2+x = 2x-15

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17 = x

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4 years ago

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3 years ago

76% of the animals at an animal shelter are dogs. About what fraction of the animals at the shelter are dogs?

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4 years ago

Read 2 more answers

Q4<br> Help pleaseeeeeeee

emmasim [6.3K]

a. The general equation for a circle centered at $(a,b)$ with radius $r$ is

$(x-a)^2+(y-b)^2=r^2$

The described circle has equation

$(x+3)^2+(y+2)^2=r^2$

We know the circle passes through the origin. This means that the equation above holds for $x=0$ and $y=0$ . The distance between any point on the circle and its center is the radius, so we can use this fact to determine $r$ :

$(0+3)^2+(0+2)^2=r^2\implies 9+4=13=r^2\implies r=\sqrt{13}$

So the circle's equation is

$(x+3)^2+(y+2)^2=(\sqrt{13})^2=13$

b. If the distance between point B and the center is less than $\sqrt{13}$ , then B lies inside the circle. If the distance is greater than $\sqrt{13}$ , it falls outside the circle. Otherwise, if the distance is exactly $\sqrt{13}$ , then B lies on the circle.

The distance from B to the center is

$\sqrt{(-1+3)^2+(3+2)^2}=\sqrt{4+25}=\sqrt{29}$

$29>13$ , so $\sqrt{29}>\sqrt{13}$ , which means B falls outside the circle.

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3 years ago

Can y’all help me i don’t get it

rusak2 [61]

Answer:

empty spaces in order from left to right are 16,12,42

Step-by-step explanation:

because your adding one to the 5 so you add one to the 15 then your × by 12 bc 3×12 is 36 and × by 12 on the top so 6×12 then last one ur adding 6 because 12+6 is 18 and what ever you do to the top or bottom you do the the bottom or top

5 0

3 years ago