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Tems11 [23]
3 years ago
8

Find the value of X in that isosceles triangle shown below

Mathematics
1 answer:
ipn [44]3 years ago
5 0

Answer:

sqrt(13) =x

Step-by-step explanation:

We have 2 right triangles, one on the right and one on the left

The base is 1/2 of 4 or 2 and the height is 3

We can use the Pythagorean theorem to find the hypotenuse

a^2 + b^2 = c^2

2^2 + 3^2 = x^2

4+9 = x^2

13 = x^2

Take the square root of each side

sqrt(13) =x

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5 0
2 years ago
30 POINTS!!! PLEASE HELP ME
Ludmilka [50]

Remark

All you need is 2 points to get the line of the equation. One is itself (B and B') is the same in both triangles. Now we need to find one more point. Since this is a reflection, the midpoint between C and C' is the second point. That choice of C and C' is completely arbitrary.

Step One

y intercept of the line. That point is B which is (0,1)

Step Two

Find the midpoint between C and C'

C is (-4,-2) and C' is ( 0 , - 4) The midpoint is

C" = (x2 + x1)/2 , (y2 + y1)/2

C" = (-4 + 0 )/2 , (-2 + - 4) / 2

C" = (-4)/2 , - 6/2

C" = (-2, - 3) C" is the midpoint between C and C'

Step 3

Find the equation of the line.

y = ax + b We are trying to find A

y = ax + 1

-3 = a(-2) + 1

-3 - 1 = a(-2)

- 4 = a(-2) Divide by -2

-4/-2 = a

a = 2

The slope of the line is 2

Answer

y = 2x + 1

6 0
3 years ago
Are all supplementary angles are linear pairs?
Varvara68 [4.7K]
No, all linear pairs are supplementary but all supplementary angles are not linear pairs. 
6 0
3 years ago
Can you help my sis out agan sorry
jonny [76]

Answer:

That would be .51000

3 0
3 years ago
Read 2 more answers
Exterior angle theorem <br><br> A) 110°<br><br> B) 34°<br><br> C) 23°<br><br> D) 30°
Mashcka [7]

Answer:

D) 30°

Step-by-step explanation:

By exterior angle theorem:

? = 70° - 40°

? = 30°

3 0
3 years ago
Read 2 more answers
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