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3 years ago

Sorry for botheribg u guys again but please help

Mathematics

1 answer:

Nostrana [21]3 years ago

6 0

Answer:

With what though?

Step-by-step explanation:

its np

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Triangle ABC is an isosceles triangle in which AB = AC. What is the perimeter of △ABC?

Dvinal [7]

Answer:

Option C.

Step-by-step explanation:

Assume that the below figure attached with this question.

Distance formula:

$Distance=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

From the below figure it is clear that the vertices of triangle are A(-1,6), B(-1,1) and C(2,2).

Using distance formula we get

$AB=\sqrt{\left(-1-\left(-1\right)\right)^2+\left(1-6\right)^2}\Rightarrow \sqrt{0+25}=5$

Similarly,

$BC=\sqrt{\left(2-\left(-1\right)\right)^2+\left(2-1\right)^2}=\sqrt{10}$

$AC=\sqrt{\left(2-\left(-1\right)\right)^2+\left(2-6\right)^2}=5$

The perimeter of △ABC is

$perimeter=AB+BC+AC$

$perimeter=5+\sqrt{10}+5$

$perimeter=10+\sqrt{10}$

The perimeter of △ABC is $10+\sqrt{10}$ .

Therefore, the correct option is C.

6 0

3 years ago

Read 2 more answers

Explain the steps needed to solve the inequality. <br><br> -3x + 4 > 25

r-ruslan [8.4K]

Step-by-step explanation:

-3x + 4 > 25

-3x > 21 (subtract 4 on both sides)

x < -7. (divide -3 on both sides, flip the sign)

6 0

3 years ago

A bicyclist started riding at 8:00 A.M. The diagram below shows the distance the bicyclist had traveled at different times. What

Usimov [2.4K]

I think that it is saying that 8:15-8:45 is 7.5 miles right? Then 8- 8:15 is 4.5 and you are trying to find the average of an HOUR. So in order to get an hour you need 15 more mins. Which is 4.5 miles according to the chart. (8-8:15). So 4.5+4.5+7.5=16.5. Divided by three is 5.5 miles per hour. I'm not sure but this is what I would do.

5 0

3 years ago

50000+2019<br> solve me this question asap

HACTEHA [7]

Ay isn’t it just 52019

4 0

3 years ago

Read 2 more answers

What is the area of this figure?

Gemiola [76]

Answer:

107 square millimeters

Step-by-step explanation:

You can make this problem easier by splitting this into pieces you already know how to solve. So, you can draw a line down the middle to get 2 rectangles whose formula are Length X Width. Now, use the side lengths 5x7=35 and 8x9=72.

Add the 2 area of rectangles together to get 107 which is your total area.

4 0

3 years ago