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2 years ago

Please help with this geometry question.

Mathematics

1 answer:

konstantin123 [22]2 years ago

6 0

The exercise below is one that requires the proof that of certain dimensions using the rules of congruence. of triangles.

<h3>What does it mean for two angles to be congruent?</h3>

It simply means that both angles are similar in measure.

<h3>What is the required proof of the given problem?</h3>

It is given that ∠BAD=∠EAC

∠BAD+∠DAC=∠EAC+∠DAC [add ∠DAC on both sides]

Therefore ∠BAC=∠DAE

In △BAC and △DAE

AB=AD (Given)

∠BAC=∠DAE (Proved above)

AC=AE (Given)

Therefore △BAC≅△DAE (By SAS congruence rule)

Therefore BC=DE because Corresponding Parts of Congruent Triangles CPCT are congruent.

Learn more about congruence at;
brainly.com/question/385
#SPJ1

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2) Which statement is correct?

makkiz [27]

Answer:

Step-by-step explanation:

Numbers should not be at the beginning or end of a sentence.

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3 years ago

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What is 20% of 145 is what number

Crank

♥ Lets do this: X is 20% of 145
♥ Now our equation will look like this <span>x = 20% * 145
♥ </span>Converting percent to decimal:
♥ X = 20%/100 = 0.2
<span>♥ X = 0.2 * 14
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♥ Therefore 29 is 20% or 145
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3 years ago

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What are the solutions of the equation x4 - 9x2 + 8 = 0? Use u substitution to solve.

Sedbober [7]

Answer:

$\large\boxed{B.\ x=\pm1\ and\ x=\pm2\sqrt2}$

Step-by-step explanation:

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$t=x^2\to x^2=1\ \vee\ x^2=8\\\\x^2=1\Rightarrow x=\pm\sqrt1\to x=\pm1\\\\x^2=8\Rightarrow x=\pm\sqrt8\to x=\pm\sqrt{4\cdot2}\to x=\pm\sqrt4\cdot\sqrt2\to x=\pm2\sqrt2$

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3 years ago

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Please help me pleeeeeeaaassseee

mr_godi [17]

Answer:

Step-by-step explanation:

answer no 3:

1] Factor out the common term 2.

2(3x+y) = -26

2] Divide both sides by 2.

3x+y= -26/2

3x+y = − 13

3]Subtract y from both sides.

3x = - 13-y

4] Divide both sides by 3.

x = -13-y/3

Part 2:-

Add 6y to both sides.

x=21+6y

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3 years ago

13 POINTS PLZ HELP!!

Vitek1552 [10]

Answer:

Slope: -10

Y-intercept: 50

X-intercept: 5

Step-by-step explanation:

y-mx+b

y=-10x+50

m is slope so, slope is -10

plug in 0 for x and solve to get y-intercept y=-10(0)+50 , y intercept is 50
plug in 0 for y and solve to get x-intercept 0=-10x+50, x-intercept is 5

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3 years ago