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
-BARSIC- [3]
3 years ago
10

Find the approximate perimeter of ABC plotted below.

Mathematics
1 answer:
maksim [4K]3 years ago
8 0

Answer:

B. 21.2

Step-by-step explanation:

Perimeter of ∆ABC = AB + BC + AC

A(-4, 1)

B(-2, 3)

C(3, -4)

✔️Distance between A(-4, 1) and B(-2, 3):

AB = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

AB = \sqrt{(-2 - (-4))^2 + (3 - 1)^2} = \sqrt{(2)^2 + (2)^2)}

AB = \sqrt{4 + 4}

AB = \sqrt{16}

AB = 4 units

✔️Distance between B(-2, 3) and C(3, -4):

BC = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

BC = \sqrt{(3 - (-2))^2 + (-4 - 3)^2} = \sqrt{(5)^2 + (-7)^2)}

BC = \sqrt{25 + 49}

BC = \sqrt{74}

BC = 8.6 units (nearest tenth)

✔️Distance between A(-4, 1) and C(3, -4):

AC = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

AC = \sqrt{(3 - (-4))^2 + (-4 - 1)^2} = \sqrt{(7)^2 + (-5)^2)}

AC = \sqrt{47 + 25}

AC = \sqrt{74}

AC = 8.6 units (nearest tenth)

Perimeter of ∆ABC = 4 + 8.6 + 8.6 = 21.2 units

You might be interested in
13. Perform the following division: –48 ÷ 5
Kipish [7]

Answer:

C) -9.6

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What to do when a negative number is subtracted from a positive number?
pentagon [3]
When you see the subtraction<span> (</span>minus<span>) sign followed by a </span>negative<span> sign, turn the two signs into a plus sign. Thus, instead of </span>subtracting<span> a </span>negative<span>, you're adding a </span>positive<span>, so you have a simple addition problem.</span>
5 0
3 years ago
12x(x+2)−5(2x−1)<br><br> find the equation
ankoles [38]
Perform the indicated multiplications...

12x*x+12x*2-5*2x-5*(-1)

12x^2+24x-10x+5  combine like terms

12x^2+14x+5
7 0
3 years ago
Read 2 more answers
All of the following are terminating decimals except _____.<br><br> 1/8<br> 2/5<br> 2/3<br> 17/50
klemol [59]
2/3 is the answer Hope this helps. :)
5 0
3 years ago
Read 2 more answers
Help!! I hate geometryyyy
miskamm [114]

Answer:

AFB, BDC, and FBD

Step-by-step explanation:


3 0
3 years ago
Other questions:
  • Berto has $12 to put in his car. if gas costs $3.75 per gallon, which ordered pair on the graph of the line relating number of g
    5·1 answer
  • Please help me with this<br><br><br><br> Simplify this expression:<br><br> 3 2/3x-4/5(x-3 3/4)
    7·1 answer
  • Which one is steeper
    13·1 answer
  • Listed below are the measured radiation emissions​ (in W/kg) corresponding to cell​ phones: A,​ B, C,​ D, E,​ F, G,​ H, I,​ J, a
    13·1 answer
  • A triangle has sides with lengths of 8 inches, 8 inches, and 10 inches. Is it a right triangle
    11·2 answers
  • Find the surface area of a cylinder with a height of 9 ft and a base radius of 3 ft.
    5·1 answer
  • F(n + 1) = f(n) – 3. If f(4) = 22, what is f(1)?
    12·1 answer
  • Students in the fifth-grade class bought 30 yards of fabric to make pennants for a pep rally. Each pennant requires 1/3 yard of
    7·2 answers
  • Calculate the areas of these shapes. Show your work.
    11·2 answers
  • Lorie ordered a shed to hold her gardening supplies. The shed had a length of 16.25 ft, a width of 11 ft, and a height of six an
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!