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
Marat540 [252]
3 years ago
7

Calculate the height of an equilateral triangle with side is 8 cm long​

Mathematics
1 answer:
Greeley [361]3 years ago
8 0

Step-by-step explanation:

use pythagoras theorem for finding the height

hypotenuse is 8cm

base is 4 cm

height?

a^2+b^2=c^2

64-16=a^2

a=7.07cm

Height of equilateral triangle is 7.07cm

You might be interested in
Find the area of the parallelogram.
kotegsom [21]
You can see that the base is 5 units.
The height is 3.
The area of a parallelogram is 
A = B * H
A = 5 * 3
A = 15 units^2

Hope this helps!

7 0
3 years ago
What is the degree of the polynomial below? 2x^2+3x+1
soldier1979 [14.2K]

Answer:

2 is the degree

Step-by-step explanation:

The degree of an equation is the highest exponent

3 0
3 years ago
Read 2 more answers
If PQ is reflected across the y-axis, what will the endpoints of the reflected line segment be?
777dan777 [17]

Answer:

the answer to this problem would be the last one

Step-by-step explanation:

please mark brainliet

6 0
3 years ago
If f(x)= x^3-2x+6, find f(-2)
Marina CMI [18]
--8+4+6=2 Hope it helps :-)
5 0
3 years ago
How do you solve 8/14 = 2/x
mylen [45]

Answer:

x = 3 1/2

Step-by-step explanation:

8/14 = 2/x

Using cross products

8*x = 14*2

8x = 28

Divide by 8

8x/8 = 28/8

x = 7/2

x = 3 1/2

7 0
3 years ago
Other questions:
  • How much should my refund be if i will receive 90% of 200 back?
    9·1 answer
  • 4. An airplane traveling at 60 m/s comes to a stop in 10 seconds. Calculate the airplane’s acceleration
    10·1 answer
  • 2 multiplied by 50 is what?
    10·2 answers
  • Fill in the other coordinate for the line y= 2/3x+3:(3,?)
    11·1 answer
  • Joanie runs the concession stand for the school's baseball games. At each game, the best selling items are pretzels and hot dogs
    10·1 answer
  • What times 3 equals 20
    7·2 answers
  • 2. The quality assurance department inspects its production line. The product either fails or passes the inspection. Past experi
    9·1 answer
  • Find the interior angle sum for the following polygon.​
    10·1 answer
  • The minimum/maximum value of the function y = a(x − 2)(x − 1) occurs at x = d, what is the value of d?
    12·1 answer
  • 1. Which is an example of an algebraic expression?<br> 04(3 + 8)<br> 018²<br> 03-a<br> 021.4
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!