1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Tom [10]
3 years ago
7

Need help for number 4 please

Mathematics
1 answer:
Marina CMI [18]3 years ago
4 0

Answer:

Step-by-step explanation:

4) ΔSTW ≅ ΔBFN . So, corresponding parts of congruent triangles are congruent.

a) BN = SW                                        d) m∠W = m∠N

  BN = 9 cm                                           m∠W = 82°

b) TW = FN                                        e) m∠B = m∠S

TW = 14 cm                                            m∠B = 67°

c) BF = ST                                          f) m∠B + m∠N + m∠F = 180°

  BF = 17 cm                                                 67 + 82 + m∠F = 180

                                                                            149 + m∠F = 180

                                                                                     m∠F = 180 - 149

                                                                                      m∠F = 31°          

5) ΔUVW ≅ ΔTSR

UV = TS

12x - 7 = 53

   12x   = 53+7

   12x = 60

      x = 60/12

      x = 5

UW =TR

3z +14 = 50

    3z = 50 - 14

   3z = 36

     z = 36/3

    z = 12

SR =VW

5y - 33 = 57

     5y = 57 + 33

     5y = 90

       y = 90/5

       y = 18

7) ΔPHS ≅ ΔCNF

∠C = ∠P

4z - 32 = 36

      4z = 36 + 32

       4z = 68

        z = 68/4

       z = 17

∠H = ∠N

6x - 29 = 115

  6x     = 115 + 29

      6x = 144

        x = 144/6

       x = 24

∠P + ∠H + ∠S = 180   {Angle sum property of triangle}

36 +115 + ∠S = 180

      151   + ∠S = 180

                ∠S = 180 - 151

               ∠S = 29°

∠F = ∠S

3y - 1 = 29

   3y = 29 + 1

  3y = 30

    y = 30/3

    y = 10

8) ΔDEF ≅ ΔJKL

DE = 18    ;  EF = 23

DF = 9x - 23

JL= 7x- 11

DF = JL           {Corresponding parts of congruent triangles}

      9x - 23 = 7x - 11

9x  - 7x - 23 = -11

        2x - 23 = -11

               2x = -11 + 23

               2x = 12

                 x = 12/2

                x = 6      

JK   = DE           {Corresponding parts of congruent triangles}

3y - 21  = 18

       3y = 18 + 21

        3y = 39

         y = 39/3

        y = 13

You might be interested in
Which statements are true regarding the area of circles and sectors? Check all that apply.
AveGali [126]

Answer:

The correct options are a,b.

Step-by-step explanation:

The area of sector of a circle equals

Area of a sector = \theta r^{2}

where

\theta is the angle subtended at the center by the sector

r is the radius of circle

This indicates that area of the sector depends on:

1) Radius of circle

2) Angle  subtended at the center by the sector

3) Area of sector does not depend on pi.

Also if we know the area of the sector only  we cannot calculate area of area of whole triangle as we need one more information either angle of the sector and vice versa.

3 0
3 years ago
Read 2 more answers
You owe 12% interest each year on a $500 loan. If you make no payments and take no additional loans, what will the loan balance
Yakvenalex [24]
20000000000099999000
3 0
3 years ago
Which of the following statements is TRUE about the relationship between the numerical values?
Gwar [14]

Answer:

D is the answer

Step-by-step explanation:

-15 Is the same as 15 its just negative but they have the same distance.

7 0
3 years ago
A circle has its centre at (0,0) and passes through the point (-9,40).
BabaBlast [244]

Step-by-step explanation:

Radius of a cicke is calculated by 2 pi r

Equation is found by y=mx+C

3 0
1 year ago
How much would a 20% tip be
Blababa [14]

Answer: 1.18 OR 0.18

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • You are busy baking cookies. You have baked 32 cookies and you want to make sure that each of your eight friend's cookies look t
    9·1 answer
  • -1/9 + - 5/4 in simplest for.
    9·2 answers
  • During 2005, a company produced an average of 2,000 products per month. How many products will the company need to produce from
    12·1 answer
  • Plz help answer a - d 1. Miguel is playing a game in which a box contains four chips with numbers written on them two of the chi
    8·1 answer
  • Solve each using mental math. ​
    15·1 answer
  • Verify that the segment lengths form a triangle. Is the triangle acute, right, or obtuse? ​
    8·1 answer
  • Write the equation of the line fully simplified slope-intercept form. ​
    9·1 answer
  • 7. A quadratic function has the form y-ax' for
    15·1 answer
  • Anya bought some cans of paint. She used 9 of them to
    5·1 answer
  • Monica is trying to lower her credit card debt and has been tracking her expenses for the past month. She identified her variabl
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!