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
AnnZ [28]
3 years ago
6

Identify which triangles are congruent, and explain your answer.

Mathematics
2 answers:
Paha777 [63]3 years ago
7 0
I believe that A and D would be the correct answer. Because both are 30,60,90 triangles and would be congruent. The other 2 triangles only have 1 angle and their side measures are at two different places meaning they cannot be congruent.
Marina86 [1]3 years ago
6 0
This is a 30-60-90 triangle. Following the pattern of x, x \sqrt{3}, and 2x. So lets us look for that pattern in these triagles.
Judging from what I know, the answer is A and C. 
They hypotenuse is 2 times the shorter leg, which is evident here. B and D are incorrect, since if the longer leg is 18, then the smaller leg would be a large square root , possibly a number in the mid 500s being squared.
Hope this helps
You might be interested in
Mary is four years older than Sue. If the sum of their ages is 16, how old are Mary and Sue?
dusya [7]

Answer:

Sue is 6 and Mary is 10

Step-by-step explanation:

let Sue's age be x then Mary is x + 4 and the sum of their ages is

x + x + 4 = 16

2x + 4 = 16 ( subtract 4 from both sides )

2x = 12 ( divide both sides by 2 )

x = 6

x + 4 = 6 + 4 = 10

then Mary is 10 and Sue is 6

6 0
1 year ago
Read 2 more answers
Find all solutions in the region [0,2pi) for the equation cos^2(2x)-sin^2(2x)=0
Lynna [10]
\cos^{2}(2x)-\sin^{2}(2x)=0
\rightarrow \sin^{2}(2x)=\cos^{2}(2x)
\rightarrow \frac{\sin^{2}(2x)}{\cos^{2}(2x)}=1
\rightarrow \tan^{2}(2x)=1
\rightarrow \tan(2x)=\pm 1

2x can range anywhere in [0, 4\pi)
So:
\rightarrow 2x=\frac{\pi}{4}, \frac{3\pi}{4}, \frac{5\pi}{4}, \frac{7\pi}{4}, \frac{9\pi}{4}, \frac{11\pi}{4}, \frac{13\pi}{4}, \frac{15\pi}{4}
\rightarrow x=\frac{\pi}{8}, \frac{3\pi}{8}, \frac{5\pi}{8}, \frac{7\pi}{8}, \frac{9\pi}{8}, \frac{11\pi}{8}, \frac{13\pi}{8}, \frac{15\pi}{8}
4 0
3 years ago
For what value of k does the equation 6(x + 1) + 2 = 3(k5x + 1) + 3 have no solution?
NARA [144]

Answer:

k = (6/15)

Step-by-step explanation:

The equation is:

6*(x + 1) + 2 = 3*(k*5*x + 1) + 3

To have no solutions, we need to have something like:

x + 7 = x + 4

where we can remove x in both sides and end with

7 = 4

So this equation is false, meaning that there is no value of x such that this equation is true, then the equation has no solutions.

First, let's try to simplify our equation:

6*(x + 1) + 2 = 3*(k*5*x + 1) + 3

6*x + 6 + 2 = 3*k*5*x + 3*1 + 3

6*x + 8 = 15*k*x + 6

if 15*k = 6, then the system clerly has no solution.

then:

k = 6/15

then we get:

6*x + 8 = (6/15)*15*x + 6

6*x + 8 = 6*x + 6

8 = 6

The system has no solutions.

8 0
2 years ago
Combine any like terms in the expression. If there are no like terms, rewrite the expression.
inn [45]
Good news: they are all like terms
9x + 5x -3x -8x = 3x
6 0
2 years ago
Read 2 more answers
beeswax used in making candles is produced by honeybees. the honeybees produce 7 pounds of honey for each pound of wax they prod
Verdich [7]
145 divided by 7 =20.71
a little sketch on my answer <span />
6 0
3 years ago
Read 2 more answers
Other questions:
  • Choose the correct formula to find the area of the oblique ABC shown below. Select all that apply. Select all true statements.
    8·1 answer
  • Write the quadratic equation in factored form. Be sure to write the entire equation.
    11·1 answer
  • A study was done to investigate the population of polar bears over time. The correlating linear model is shown below, where x re
    15·1 answer
  • Use slopes and y-intercepts to determine if the lines y=6 and y=−5 are parallel.
    6·1 answer
  • The diameter of a cylindrical construction pipe is 4 ft. If the pipe is 16 ft long, what is its volume?
    13·2 answers
  • WILL GIVE BRAINLIEST! Determine the coordinates of the point on the straight line y=3x+1 that is equidistant from the origin and
    15·2 answers
  • 2 year equal how many weeks
    7·2 answers
  • Doctors have two methods of calculating maximum heart rate. With the first method, maximum heart rate, y, in beats per minute is
    8·2 answers
  • The scale on a map in 0.5 in.:10mi. If the map shows that the distance from Barkley to Winston is 4.5 in., what is the actual di
    15·1 answer
  • Please help I suck at setting up word problems
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!