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
mel-nik [20]
3 years ago
10

a triangle has the following measurements : a=19 b=25 c=31 use the law of cosines to find the missing measurements

Mathematics
1 answer:
Mandarinka [93]3 years ago
4 0
Sides:
a = 19 m
b = 25 m
c = 31 m

Angles:
A = 37.7843 °
B = 53.7236 °
C = 88.492 °

Other:
P = 75 m
s = 37.5 m
K = 237.418 m2
r = 6.33114 m
R = 15.5054 m

You might be interested in
As part of a science experiment, Sam recorded the four values shown in the table, but one of them got smudged on his paper. He r
denpristay [2]

Answer:

D) 4

Step-by-step explanation:

−9 + 12 + (unknown) + −8 = −1

<em>Start by going through and testing each option</em>

−9 + 12 + 2 + −8 =

3 + 2 + −8 =

5 + −8 =

−3

−3 ≠ −1

<em>A) 2 is not possible.</em>

−9 + 12 + −2 + −8 =

3 + −2 + −8 =

1 + −8 =

−7

−7 ≠ −1

<em>B) </em>−<em>2 is not possible.</em>

−9 + 12 + −4 + −8 =

3 + −4 + −8 =

−1 + −8 =

−9

−9 ≠ −1

<em>C) </em>−4<em> is not possible.</em>

<em>From this, D is looking like the answer. But to be sure, test it.</em>

−9 + 12 + 4 + −8 =

3 + 4 + −8 =

7 + −8 =

−1

−1 = −1

<em>D) 4 is the answer.</em>

5 0
3 years ago
Helppp please its a quiz
Vesna [10]
It’s b hope you get a good grade on the test
5 0
3 years ago
Pls help bond maths 5 points plzz​
Leya [2.2K]
7:05, 7:15 , and 7:12 i hope this helps
5 0
2 years ago
What’s the answer for LMN?
erastova [34]

Answer:

180

Step-by-step explanation:

4 0
2 years ago
a copy machine can reduce the size of the material being copied. A diagram measure 16 cm wide by 20 cm long is reduced if the di
k0ka [10]
Because of the radius of the cube the math answer has to be 4
5 0
2 years ago
Other questions:
  • Ayako spent $7.80 on equal weights of beads of white and red beads. The red beads cost twice as much per punce as the white bead
    13·2 answers
  • If a loaf of bread was priced $1.50 on one day and $1.20 the next, what is the percent decrease
    14·1 answer
  • A spinner has 8 equal sections,6 are green .find probability that will land on green​
    7·2 answers
  • WHAT IS THE VOLUME OF WAX IN THE CANDLE SHAPED LIKE A CYLINDER
    15·2 answers
  • The total cost of 4 starfish was $7.20. Write and solve an equation to find how much one starfish cost.
    8·1 answer
  • ANSWER CHOICES LISTED!!!
    14·2 answers
  • Express 3 log x^2 + 7 log x as a single log
    6·1 answer
  • Plsssssssssssssssssssss help meeeeeee on thisssss????????????
    7·1 answer
  • A) When I add 8 the answer is 30.
    12·1 answer
  • Equations that represent a line parallel to y=8x+4
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!