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olasank [31]
2 years ago
13

Agenthammerx Please help me on this I beg you

Mathematics
1 answer:
arlik [135]2 years ago
4 0

Answer:

  • 48°
  • ∠Y ≅ ∠X

Step-by-step explanation:

<h3>Question 1</h3>

<u>Prove that The two triangles are congruent</u>

  • ∠ABD ≅ ∠BDC - given
  • BD ≅ DB - reflexive property
  • ∠ADB ≅ ∠CBD - given
  • ΔABD ≅ ΔCDB - ASA postulate

<u>Find the measure of angle C</u>

  • ∠A ≅ ∠C - Corresponding  parts of congruent triangles
  • m∠C = m∠A = 180° - (62° + 70°) = 180° - 132° = 48°
<h3>Question 2</h3>

<u>Given </u>

  • ΔXYZ with XZ ≅ YZ

Opposite angles are corresponding to the sides.

Therefore the angles opposite to congruent sides are also congruent:

  • ∠Y ≅ ∠X
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Leslie has a rectangular patio. She measures it and finds out it is 2135 feet long by 1115 feet wide. She wants to know how many
larisa86 [58]

Answer: (1) Leslie will need 2,380,525 square tiles (1 foot by 1 foot each)

(2) She will have to spend $1,785,393.75 to cover her patio.

Step-by-step explanation: Please refer to the picture attached.

The rectangular patio has been designed and as shown in the diagram has on side measuring 2135 ft and the other side measuring 1115 ft. This means, in order to cover the entire patio, she would have to cover an entire area defined as 2,135 feet into 1,115 feet. If one tile measures 1 foot long by 1 foot wide, the total number of tiles to cover the patio can simply be derived as;

Area = L x W

Where the length is 2135 and the width is 1115,

Area = 2135 x 1115

Area = 2380525

**Having in mind that one tile measures 1 ft by 1 ft, the area of each tile is given as

Area = L x W

Area = 1 x 1

Area = 1 square foot**

(1) The above calculation shows that Leslie would be using up a total of 2,380,525 square tiles to completely cover her patio.

(2) Having been told that each square foot of tile costs 75 cents ($0.75), the total amount spent to cover her patio would be calculated as follows;

Cost = Area x cost per tile

Cost = 2380525 x 0.75

Cost = 1785393.75

The total cost therefore is $1,785,393.75

7 0
3 years ago
How do I do this? I need it in perimeter to 2 decimal places. Thank you!
ad-work [718]

Answer:

The perimeter is 127.1 cm

Step-by-step explanation:

30+25+25=80

(2)(3.14)(15)=94.2

94.2/2=47.1

Divide by two because of the semicircle

80+47.1=127.1

8 0
3 years ago
Read 2 more answers
I think the answer is 38 degrees I just want someone to check if I am right please!
Aleksandr [31]

Answer:

JML = 142

Step-by-step explanation:

Sadly that is wrong.  Not all the angles are the same.  However, using the reflexive property we can find that angle JKM is 38 degrees.  Using this, we need to create an equation to get the other two angles.  Again, they would be the same because of the reflexive property.

38 + 38 + x + x = 360

The total needs to be 360 because the shape has 4 sides.

76+x^{2} =360

Now you beed to get the variable to one side.  To do this you would subtract each side by 76.

x^{2} =284

Finally, your answer currently shows the sum of both LKJ and JML.  to get one sides angle just divide by 2.

284 / 2 = 142

JML = 142

There is your answer.

Hope this helped.

4 0
2 years ago
in 1981, about 1.1 million was lost due to fires. In 1988, The loss was about 9.6 million. Find each percentage of change
choli [55]
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8 0
3 years ago
What is the location of the point on the number line that is 1/4 of the way from
Aleonysh [2.5K]

answer is 31

Step-by-step explanation:

5 0
2 years ago
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