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Sliva [168]
2 years ago
12

ABC is similar to ADEF. Find x. GEOMETRY

Mathematics
1 answer:
azamat2 years ago
6 0

The value of x in the given diagram is 10

<h3>Similar triangles </h3>

From the question, we are to determine the value of the side labeled x

First, we will find the value of side |BC|

By the <em>Pythagorean theorem</em>, we can write that

|BC|² = 12² + 16²

|BC|² = 144 + 256

|BC|² = 400

|BC| = √400

|BC| = 20

Now,

Since ΔABC and ΔDEF are similar, we can write that

|BC| / |EF| = P ΔABC / P ΔDEF

But,

P ΔABC = 12 + 16 + 20 = 48

Thus,

|BC| / |EF| = P ΔABC / P ΔDEF becomes

20/ |EF| = 48/24

20/x = 2

x = 20/2

x = 10

Hence, the value of x in the given diagram is 10

Learn more on Similar triangles here: brainly.com/question/24085502

#SPJ1

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(SAT Prep) If the lengths of two sides of a triangle are 5 and 9 which would be length of the third side?
julia-pushkina [17]

The length of third side of triangle is 4 or 14.

According to the statement

we have given that the two sides of the triangle which are 5 and 9 and we have to find the length of the third side of triangle.

So, For this purpose, we know that the

If we had a triangle with sides a, b and c, then we can say

b-a < c < b+a

where b is larger than 'a'. This is the triangle inequality theorem

In this case, a = 5 and b = 9 so,

b-a < c < b+a

9-5 < c < 9+5

4 < c < 14

Telling us that c is some number between 4 and 14, not including either endpoint. If c is a whole number, then c could be any value from this set.

And

We see that the numbers 4 and 14 are in this set. The values 2 and 7 are not in the set.

So, The length of third side of triangle is 4 or 14.

Learn more about Triangle here

brainly.com/question/1675117

#SPJ1

7 0
1 year ago
Is y=1/2x proportional
BARSIC [14]

Yes, this is a linear equation with a constant rate of change (a slope) so the sets of values of the graph are proportional

5 0
3 years ago
Read 2 more answers
What is the greatest common factor and least common multiple of 4 and 10?
rusak2 [61]

Answer:

The greatest common factor of 4 and 10 is 2, and the Least common multiple of 4 and 10 is 20

Step-by-step explanation:

3 0
4 years ago
Find the area of the following figure. Explain how you got your answer.
steposvetlana [31]

Answer:

26.5 units. You count all the units and then count the halves

Step-by-step explanation:

5 0
4 years ago
Ebook
kiruha [24]

Answer:

y - 4x = 1

Step-by-step explanation:

Given

(x_1,y_1) = (1,5)

(x_2,y_2) = (3,13)

Required

The equation of the line

Back up:

First, calculate the slope(m)

m = \frac{y_2 -y_1}{x_2 - x_1}

m = \frac{13-5}{3-1}

m = \frac{8}{2}

m = 4

Calculate the area using:

y - y_1 = m(x - x_1)

y- 5 = 4(x - 1)

y- 5 = 4x - 4

Collect Like Terms

y - 4x = 5 - 4

y - 4x = 1

7 0
4 years ago
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