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satela [25.4K]
2 years ago
6

prove the two triangles are congruent?

Mathematics
2 answers:
RSB [31]2 years ago
4 0

Answer:

they are congruent by sss axiom

Step-by-step explanation:

de=fg (given)

df=ge(given)

ef=ef(being common side)

proved brainliest plzz

e-lub [12.9K]2 years ago
3 0
Is there more information i can get out of this ?
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​△BCD ​ is a right triangle. The length of the hypotenuse is 18 centimeters. The length of one of the legs is 14 centimeters. Wh
belka [17]

In a right triangle, this formula can be used:


a^2 + b^2 = c^2


when a and b are the legs and c is the hypotenuse.


Substitute the numbers from the problem into the formula.


14^2 + b^2 = 18^2


Simplify.


196 + b^2 = 324

b^2 = 128

b = square root of 128 = 11.3137...


When 11.313 is rounded to the nearest tenth, it is 11.3


The length of the other leg is 11.3 centimeters.


Hope this helps!


6 0
3 years ago
Read 2 more answers
What is the solution to the system of equations below
nekit [7.7K]

Answer:

There is no solution.

6 0
2 years ago
I give 20! Find the surface area. And without explanation please, I don’t have enough time.
oee [108]

Answer:

816 cm²

Step-by-step explanation:

Surface area of the composite figure = (surface area of the larger rectangular prism + surface area of the smaller rectangular prism) - area of the side of the smaller rectangular prism that is joined to the bigger prism.

✔️Surface area of the larger rectangular prism:

Area = L*W*H = 20*5*6 = 600 cm²

✔️surface area of the smaller rectangular prism:

Area = L*W*H = 12*4*6 = 288 cm²

✔️area of the side of the smaller rectangular prism that is joined to the bigger prism.

Area = L*W = 12*6 = 72 cm²

Surface area of the composite = (600 + 288) - 72 = 888 - 72 = 816 cm².

8 0
2 years ago
Find the value of n so that the expression is a perfect square trinomial and then factor the trinomial.
Anna007 [38]

The correct expression is (a) n = 100; (x + 10)^2

<h3>How to determine the value of n?</h3>

The expression is given as:

x^2 + 20x + n

Take the coefficient of x

k = 20

Divide by 2

k/2= 10

Square both sides

(k/2)^2 = 100

The above value represents the value of n

i.e.

n = 100

So, we have:

x^2 + 20x + 100

Expand

x^2 + 10x + 10x + 100

Factorize

x(x + 10) + 10(x + 10)

Factor out x + 10

(x + 10)^2

Hence, the correct expression is (a) n = 100; (x + 10)^2

Read more about trinomial at:

brainly.com/question/1538726

#SPJ1

7 0
2 years ago
Hello pls help I'm dumb thx it's pre calc
Bumek [7]
(f-g)(x)=f(x)-g(x)=
\frac{2x+6}{3x}-\frac{\sqrt{x}-8}{3x}=
\frac{2x+6-(\sqrt{x}-8)}{3x}=
\frac{2x+6-\sqrt{x}+8}{3x}=
\frac{2x-\sqrt{x}+14}{3x}
answer is A
3 0
3 years ago
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