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Tpy6a [65]
3 years ago
7

If m ACD=100 degree,then m ECB=[?]

Mathematics
2 answers:
Zigmanuir [339]3 years ago
8 0

Answer:

100°

Step-by-step explanation:

ACD=ECB=100°

[Vertical opposite angles are equal]

balu736 [363]3 years ago
7 0

Answer:

100

Step-by-step explanation:

They are the same.

Hope I helped!

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Is 2 squared + 3 squared = 4 squared a true statement? Explain.
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Answer:

It is not true it is false.

Step-by-step explanation:

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13≠16

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Example 3
chubhunter [2.5K]

Answer:

We conclude that

  • The angle ∠1 = x = 36°
  • The angle ∠2 = 4x = 4(36°) = 144°

Step-by-step explanation:

Given

<1 and <2 form a linear pair

m∠1 = 4m∠2

To determine

Find the measure of each of the two angles.

<u>Important Points about linear pair:</u>

  • We know that when two lines meet or intersect, we get a linear pair of angles.
  • Linear pairs are basically two adjacent angles that form a line.
  • The measure of two adjacent angles forming a straight line is 180, meaning they are supplementary.

As

<1 and <2 form a linear pair

m∠1 = 4m∠2

In other words, angle 1 is 4 times the measure of angle ∠2.

Let the angle ∠1 be = x

As the angle 1 is 4 times the measure of angle ∠2, so

The angle 2 will be = 4x

As <1 and <2 forms a linear pair, thus the measure of the sum of <1 and <2 will be 180°, so

x + 4x = 180

5x = 180

divide both sides by 5

\frac{5x}{5}\:=\:\frac{180}{5}

\:x=36^{\circ }

Thus, we conclude that

  • The angle ∠1 = x = 36°
  • The angle ∠2 = 4x = 4(36°) = 144°
4 0
3 years ago
All of the following are rational except _____.
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Answer:  Option 'A' is correct.

Step-by-step explanation:

Since we have given that

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-13 can be written as p/q form as \dfrac{-13}{1}

\dfrac{14}{5} is a rational number because of its form.

81 can be written in p/q form as \dfrac{81}{1}

But √2 is non terminating and non recurring number.

Hence, √2 is not a rational number.

Therefore, Option 'A' is correct.

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