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Hoochie [10]
3 years ago
12

Good afternoon plz help me

Mathematics
1 answer:
frozen [14]3 years ago
8 0
1. find the sum of angles .
If the sum=180,then it forms a triangle.
2. your answer is wrong.
sum of three angles=180
and find x.
3.find the sum of two sides and see if it is > third angle
then it forms a triangle.(repeat with different pairs)
4.fourth case 
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Based on the information marked in the diagram, ABC and DEF must be congruent.
drek231 [11]

Answer:

Option A is correct

True, ΔABC and ΔDEF must be congruent.

Explanation:

LA theorem or Postulates states that given two right triangles,  where one acute angle and a leg of one of the triangles are congruent to  an angle and a leg of the other triangle, then the two triangles are congruent.

In  ΔABC and ΔDEF

AB = DE              [Leg]                [Given in the figure]

\angle BAC = \angle EDF = 90^{\circ}     [Given]

\angle BCA = \angle EFD   [Acute angle]        [Given in the figure]

Then, by the LA theorem or Postulates;

therefore, ΔABC \cong ΔDEF .





3 0
4 years ago
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Find an equivalent fraction for the decimal number 0.45
AlladinOne [14]

Answer:

45/100 = 9/20

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8 0
4 years ago
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Can someone please help me because I'm struggling
Fudgin [204]
FG=1.9 because since they are congruent Sr=FG

S=75° because they are congruent so G=75° so S=75°
4 0
4 years ago
Jeanine is twice as old as her brother Marc. If the sum of their ages is 24, how old is Jeanine
Vesna [10]
Her brother is 8: 8 x 2 is 16, and 16 + 8= 24.
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3 years ago
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7(5a-4)-1=14--8a i need help
hoa [83]

Answer:

a=1

Step-by-step explanation:

35a-29=14-8a

35a+8a=43a

43a-29=14

14+29=43

43a=43

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4 0
3 years ago
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