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Korvikt [17]
3 years ago
6

Point H Is the circumcenter or a triangle DEF which must be true

Mathematics
2 answers:
Fiesta28 [93]3 years ago
5 0
Out of the 6 answers you have, the correct answers are 1, 3, 4, and 6. 
Sedaia [141]3 years ago
3 0

Answer:

The correct options are 1, 3 and 6.

Step-by-step explanation:

Circumcenter of a triangle:

1. It is the intersection point of perpendicular bisector of at least two sides of the triangle.

2. It is the center of the circle that passes through all vertices of the triangle.

It is given that the H Is the circumcenter or a triangle DEF. It means H is the center of the circle that passes through the points D,E,F.

Option 1 is correct.

HD,HE and HF are radius of the circle,

HE\cong HD

Option 3 is correct.

\angle DLH\cong FNH=90^{\circ}

Option 6 is correct.

Therefore the correct options are 1, 3 and 6.

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paul , Nadia and Jim have some stickers. Nadia has 3 times as many stickers as jim. Paul has 25 stickers more that Nadia. Paul a
alexandr402 [8]
Nadia = 3x than Jim
Paul = 25+ than Nadia
Jim = ?
Nadia and Paul = 85

85-25 = 60
(Subtract Nadia's and Paul's stickers all together with the stickers that Paul have more so both of the stickers are balance)

Nadia = 60/2 =30
Paul = 30+25 =55

Jim= 30/3=10

#Jim have 10 stickers


4 0
3 years ago
A rectangular park has sidewalks on two adjacent sides. If it takes John 60 steps to
Sergeeva-Olga [200]

Answer:

Length = 80 m and breadth = 60 m If one moves along the two adjacent sides, one covers 80+60 = 140 m. Diagonal of the rectangle = √ ( length^2 + breadth^2) ...

5 0
2 years ago
Can anyone help me on this ixl ?
sveta [45]

Answer:

imagine still doing IXL'S in 2021 but the answer should be 250

Step-by-step explanation:

3 0
3 years ago
During an Apollo moon landing, reflecting panels were placed on the moon. This allowed Earth-based astronomers to shoot laser be
rusak2 [61]

Answer:

The distance between the astronomers and the moon was 7.56*10^{8] meters.

Step-by-step explanation:

We have that the speed is the distance divided by the time, so:

v = \frac{d}{t}

In this problem, we have that:

The reflected laser beam was observed by the astronomers 2.52 s after the laser pulse was sent. This means that t = 2.52.

If the speed of light is 3.00 times 10^8 m/s, what was the distance between the astronomers and the moon?

We have that v = 3*10^{8}m/s.

We have to find d. So:

v = \frac{d}{t}

d = vt

d = 3*10^{8}*2.52

7.56*10^{8]

The distance between the astronomers and the moon was 7.56*10^{8] meters.

7 0
3 years ago
1. Joanna is saving up for a new car. Her parents said that once she has $1000 saved up, they would help her
iris [78.8K]

9514 1404 393

Answer:

  60 hours

Step-by-step explanation:

We want Joanna's total savings to be ...

  bank account + gift + earnings = 1000

  300 +100 +10h = 1000

  10h = 600 . . . . subtract 400

  h = 60 . . . . . . . .divide by 10

Joanna needs to babysit for  60 hours to earn the money she needs.

7 0
3 years ago
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