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
disa [49]
3 years ago
8

What is the length of BC?please help!!!

Mathematics
1 answer:
Ivenika [448]3 years ago
4 0

Answer:

2.1

Step-by-step explanation:

using cosine theorem or substraction of two vector

b = AC = 5

c = AB = 6

a² = b² + c² - 2bc cos A

a² = 5² + 6² - 2*5*6 cos 20°

a² = 4.62

a = √4.62

a = 2.149

a ≈ 2.1

You might be interested in
Which of the following is the best estimate of 31% of 15?<br> 7.5<br> 3<br> 5<br> 4
Alex777 [14]
Th answer is 5 because 31% of 15 is 4.65
3 0
3 years ago
Read 2 more answers
What is angle A? 313 degrees 133 degrees 143 degrees 147 degrees
Evgesh-ka [11]

133 is the Answer bc that is a supplementary angle and supplementary angles always sum up to 180 hope this helps please mark brainliest

Step-by-step explanation:

5 0
3 years ago
What is the lateral area of the pyramid
MariettaO [177]
The total surface area of a regular pyramid is the sum of the areas of its lateral faces and its base. The general formula for the lateral surface area of a regular pyramid is L . S . A . = 1 2 p l where represents the perimeter of the base and the slant height.
7 0
3 years ago
All the prime factors of 160
ArbitrLikvidat [17]
2 and 5. 1 isn't apart of the list because the definition of a prime number is having 1 and itself as a factor. 1 only has the number 1.
3 0
3 years ago
Read 2 more answers
The tree diagram below shows all of the possible outcomes for flipping three coins.
MaRussiya [10]

Answer:   3/8, I had got it correct on Edge 2020 :)

5 0
3 years ago
Read 2 more answers
Other questions:
  • The graph of the function B is shown below. If B(x) = -1, then what is x?
    8·2 answers
  • The distance around the outside of Cedar Park is 0.8 mile. Joanie ran 0.25 of the distance during her lunch break. How far did s
    13·2 answers
  • Please help me anyone
    13·1 answer
  • Solve the system of equations using the substitution method. y=2+1/4x,
    13·1 answer
  • Help in this question please, please
    7·1 answer
  • To the nearest tent what the area of a circle whose diameter is 9 feet? Use 3.14 for x Please help :’(((( will give 25pts
    5·2 answers
  • Addison sells plants. She sold 7 times as many as tomato plants as pepper plants, for a total of 64 plants sold. How many pepper
    14·2 answers
  • Hey i'm finding trouble studying and remembering the work that i have just studied does anyone have any tips to help me? i want
    11·1 answer
  • HELP
    7·1 answer
  • Speed =________
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!