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
Lana71 [14]
3 years ago
11

What is the missing reason in steps 7 and 8 of the proof? Given: ∆ABC with AB = c, BC = a, AC = b Prove: = = Statement Reason 1.

Draw a line through B that is perpendicular to and label the point of intersection with as D. construction 2. In ∆ABD, BD = c sin A definition of sine in right triangle 3. In ∆CBD, BD = a sin C definition of sine in right triangle 4. c sin A = a sin C Substitution Property of Equality 5. = dividing throughout by sin A sin C 6. Draw a line through A that is perpendicular to and label the point of intersection with as E. construction 7. In ∆BAE, AE = c sin B 8. In ∆CAE, AE = b sin C 9. c sin B = b sin C Substitution Property of Equality 10. = dividing throughout by sin B sin C 11. = = Transitive Property of Equality A. definition of cosine in right triangle B. definition of sine in right triangle C. definition of tangent in right triangle D. Corresponding sides of congruent triangles are equal. E. definition of equilateral triangle
Mathematics
1 answer:
vodomira [7]3 years ago
8 0

Answer:

its d b/sinB=c/sinC

Step-by-step explanation: trust me

You might be interested in
Write the improper fraction as a mixed number in simplest form. 11/2
pantera1 [17]

Answer:

5 and 1/2

Step-by-step explanation: 2 goes into 11 5 times without passing it. That one that is left over would be the numerator and 2 as the demonator.

5 0
3 years ago
Which one is it? Is it A. B. C. or D.?
ZanzabumX [31]
A............................................
7 0
3 years ago
Is 1 pint eguivalent to o.473 liters
erica [24]
Why yes it is, good question
7 0
3 years ago
Read 2 more answers
Plz help only have 11 mins ​
marin [14]

Answer:

Step-by-step explanation:

18 7/8 - 14 7/9

18 63/72 - 14 56/72

=  4 7/72

answer is B

5 0
3 years ago
What is the side labeled x equal to, if y = 22?
miv72 [106K]
It is the same beacuse x is equal to y so x and y both equal 22
8 0
3 years ago
Read 2 more answers
Other questions:
  • Find the value of bx9 when b=8
    8·1 answer
  • Find the slope of the line whose equation is 4x - 6y = 8.<br><br> 2/3<br> -2/3<br> 3/2
    14·2 answers
  • Complete the following equality. 4 days = hours
    14·2 answers
  • ANYONE GOT SNAP INSTA OR DISCORD???? ​
    14·2 answers
  • Please need help fast thank you. The problem is in the picture.
    15·2 answers
  • Find the LCM of the following
    15·1 answer
  • If c varies directly as (r + 1) and c = 8, when r= 3, calculate the value of r when c= 20.
    6·2 answers
  • Solve the equation.<br> S^2+ 7s = - 20
    11·1 answer
  • What is 7 1/3 * 5 1/2 equal
    13·1 answer
  • Please just help with these questions!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!