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statuscvo [17]
3 years ago
11

What additional information would you need to prove that ΔABC ≅ ΔDEF by SAS?

Mathematics
2 answers:
Vika [28.1K]3 years ago
7 0

Answer:

Bc is congruent to Ef

Step-by-step explanation:

thank yous aqpprecieted

Charra [1.4K]3 years ago
5 0
The Givens were one side and an angle, therefore you are trying to find another side. One possibility is side AC is congruent to DF, but the angle is not in the middle so it doesn’t work. The only possible answer that can work is BC is congruent to EF

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How do I solve this question?
Tanya [424]
Before attempting to solve this question, we must first know three things.

1. A straight line has a measure of 180 degrees.

2. When two angles add up to 180 degrees, those angles are called supplementary.

3. The interior angles of a triangle add up to 180 degrees.

We can see ∠ECT = 180 degrees.

∠DCT is supplementary to ∠DCE.

∠DCT = 140 degreees
∠DCE = x degrees

x + 140 = 180

Solve for x.

x + 140 = 180
x = 40 <-- Subtract 140 from each side

∠DCE = 40 degrees

We know the two interior angles of ΔDEC.

45 + 40 + x = 180

Solve for x.

45 + 40 + x = 180
85 + x = 180 <-- Combine like terms
x = 95

So, the missing angle is equal to 95 degrees.
6 0
3 years ago
Solve the following inequality: 6x - 9 ≥ 11x - 17.
Juli2301 [7.4K]

Answer:

x ≤8/5

Step-by-step explanation:

6x - 9 ≥ 11x - 17

Subtract 6x from each side

6x -6x-9 ≥ 11x - 17-6x

-9 ≥ 5x- 17

Add 17 to each side

-9+17≥ 5x - 17+17

8≥ 5x

Divide each side by 5

8/5≥ 5x /5

8/5≥ x

5 0
3 years ago
Need answer ASAP it’s for geometry class and it’s a unit test
snow_lady [41]
X=10
Explaination:
130=8x+50
-50 -50
80=8x, then divide each side by 8 to get the variable alone
7 0
3 years ago
On a road, a bike sign in the shape of an isosceles trapezoid is to be painted. The sign and its dimensions are shown below. Wha
Bingel [31]

Answer:

D. 32 ft^2

Step-by-step explanation:

You find the mean of the two bases 7+9= 16   16/2=8 Then multiply 8 by 4 to get 32 ft ^2

5 0
2 years ago
Read 2 more answers
PLEASE HELP I NEED THE ANSWER ASAP !! TYSM !
Tom [10]

a) Radicand is 1/4

b) x= 4.5 or -2.5

<h3>What is quadratic equation?</h3>

A quadratic equation is a second-order polynomial equation in a single variable x ax²+bx+c=0. with a ≠ 0 .

Given equation is:

16x²-8x+1=0

Now,

(4x)²-2*4x*1 + (1)²=0

Using

(a+b)²= a² + 2ab + b²

So,

(4x)²-2*4x*1 + (1)² = (4x+1)²

x=1/4

b) 4x² - 8x - 45 = 0

Using discriminant method

D = √[(-8)² - 4(4)(-45)]

   = √784

   = 28

Now, x = (1/8)[8 +/- 28]

  = (1/8)(36) = 4.5

or, x = (1/8)(-20)

 = -2.5

Learn more about this concept here:

brainly.com/question/4480807

#SPJ1

6 0
1 year ago
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