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ivanzaharov [21]
2 years ago
10

Im not he brighest with math and i need help

Mathematics
1 answer:
Natasha2012 [34]2 years ago
8 0

Answer:

113.04 ft^2

Step-by-step explanation:

<em>area </em><em>of </em><em>the </em><em>circle</em><em>=</em><em> </em><em>3</em><em>.</em><em>1</em><em>4</em><em>*</em><em>(</em><em>6</em><em>)</em><em>^</em><em>2</em>

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Single ready to mingle

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2 years ago
Помогите с решением Матриц
vivado [14]

Answer:

я не знаю потому что я не говорю по русски

Step-by-step explanation:

5 0
2 years ago
Rob is going 90 mph in a 45. How much faster % is Rob going?
Scrat [10]

Answer:

Rob would be going 45 over if he's in a 45

Step-by-step explanation:

90-45=45

And to check your work 45+45=90

8 0
2 years ago
Please solve these questions for me. i am having a difficult time understanding.
s2008m [1.1K]

Answer:

1) AD=BC(corresponding parts of congruent triangles)

2)The value of x and y are 65 ° and 77.5° respectively

Step-by-step explanation:

1)

Given : AD||BC

AC bisects BD

So, AE=EC and BE=ED

We need to prove AD = BC

In ΔAED and ΔBEC

AE=EC (Given)

\angle AED = \angel BEC ( Vertically opposite angles)

BE=ED (Given)

So, ΔAED ≅ ΔBEC (By SAS)

So, AD=BC(corresponding parts of congruent triangles)

Hence Proved

2)

Refer the attached figure

\angle ABC = 90^{\circ}

In ΔDBC

BC=DC (Given)

So,\angle CDB=\angle DBC(Opposite angles of equal sides are equal)

So,\angle CDB=\angle DBC=x

So,\angle CDB+\angle DBC+\angle BCD = 180^{\circ} (Angle sum property)

x+x+50=180

2x+50=180

2x=130

x=65

So,\angle CDB=\angle DBC=x = 65^{\circ}

Now,

\angle ABC = 90^{\circ}\\\angle ABC=\angle ABD+\angle DBC=\angle ABD+x=90

So,\angle ABD=90-x=90-65=25^{\circ}

In ΔABD

AB = BD (Given)

So,\angle BAD=\angle BDA(Opposite angles of equal sides are equal)

So,\angle BAD=\angle BDA=y

So,\angle BAD+\angle BDA+\angle ABD = 180^{\circ}(Angle Sum property)

y+y+25=180

2y=180-25

2y=155

y=77.5

So, The value of x and y are 65 ° and 77.5° respectively

8 0
3 years ago
Which of the following is NOT true of a perpendicular bisector?
kodGreya [7K]

To construct a perpendicular bisector, we have to draw two arcs using each of the endpoints as centers

<h3>What is a perpendicular bisector?</h3>

A perpendicular bisector is said to be a line that intersects the segment of another line perpendicularly and also divides it into two equal parts.

The properties of a perpendicular bisector include:

  • It divides a line segment into two equal parts
  • It makes right angles with the line segment.
  • Points in the perpendicular bisector are equal from the line of the segment.

Hence, all the mentioned properties are correct except that to construct it, we have to draw two arcs using each of the endpoints as centers.

Learn more about perpendicular bisector here:

brainly.com/question/21752287

#SPJ1

3 0
1 year ago
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