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1 year ago

Give the appropriate similarity criteria that can be used the trianglessimilar.a. AAb. SASc. SSSd. Not Similar

Mathematics

1 answer:

aev [14]1 year ago

3 0

Since DEC and DAB share the angle D, and the lines EC and AB are parallel, then we can also see that the angles CED and BAD are congruent. Then, we can prove the similarity between those two triangles thanks to the AA criterion.

Therefore, the answer is:

$AA$

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Let A and B be sets with cardinal numbers , n(A) = a and n(B) = b respectively . Decide whether the statement is true or false.

olya-2409 [2.1K]

Answer:

True

Step-by-step explanation:

$A\cup B=A\cup(A-B)\\\\A\ and\ A-B\ are\ disjoint\ that\ means\ there\ is\ no\ common\ element\ in\ these\ two.\\\\n(A\cup B)=n(B\cup(A-B))\\\\n(A\cup B)=n(B)+n(A-B)\ \ \ \ \ \ \ as\ for\ disjoint\ set\ P,Q\ n(P\cup Q)=n(P)+n(Q)\\\\(n(P-Q)=n(P)-n(P\cap Q))\\\\n(AUB)=n(B)+n(A-B)\\\\n(AUB)=n(B)+n(A)-n(A\cap B)\\\\n(AUB)=n(A)+n(B)-n(A\cap B)\\\\Hence\ given\ statement\ is\ true$

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3 years ago

A<br> (Triangle)ABC is isosceles.<br> AB= 88 and CB = 12x + 4.<br> B<br> x= [?]

CaHeK987 [17]

Answer:

X=7 because 88=12x+4. Simple math gives you x=7

5 0

2 years ago

624 feet to 702 feet state whether the percent of the change is an increase or decrease

Ghella [55]

Answer:

The percent of change is an increase.

Step-by-step explanation:

624 has been changed to 702.

Percent change = [(Value after - Value before ) / Value before]*100

= $\frac{702-624}{624}*100$

= $\frac{78}{624}*100$

So we can clearly see that percentage change is a positive change. This means that the Value after change is higher than value before the change. So the percent of change is an increase.

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3 years ago

The function f(x) = (10)–x is reflected across the x-axis to create the function g(x). Which ordered pair is on g(x)? (–2, 75) (

IRINA_888 [86]

Neither point is on either function.
f(x) reflected over the x-axis is
y=-10 + x

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3 years ago

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GenaCL600 [577]

Answer:

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Step-by-step explanation:

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4 years ago