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
Lemur [1.5K]
2 years ago
8

A triangle is reflected across line l and then line m. If the lines intersect, what kind of isometry is this composition of refl

ections?
A-translation

B- rotation

C-reflection

D- glide reflection
Mathematics
2 answers:
nexus9112 [7]2 years ago
8 0
The answer is glide reflection
aleksandrvk [35]2 years ago
7 0

Answer:

The Triangle is reflected across two lines.

 A composition means two or more transformation has taken place.

When the composition of two reflections between Intersecting line takes place, we consider it as equivalent to Rotation.

An Isometry means neither the change in shape,size, nor Angles (Interior as well as Exterior), that is two shapes after transformation are Congruent.

This kind of Isometry which is composition of reflections is called  

 Option D: Glide reflection

You might be interested in
PLEASE PLEASE HELP 25 POINTS I WILL MARK BRAINLIEST
Sidana [21]

Answer:

D

Step-by-step explanation:

(3, 9) (-3, 5)

 0 is in the middle       7 is in the middle

for x: 3 2 1  0  -1 -2 -3   for y: 9 8  7  6 5

Thus, (0, 7) is the midpoint between (3, 9) and (-3, 5)

6 0
2 years ago
How many handshakes are possible at a party of 65 people if everyone shakes hands once?
riadik2000 [5.3K]
You must calculate how many ways can 2 people be selected from 65.
The formula is:
n! / r! * (n-r)! =
65! / 2! * 63! =
65*64*63! / 2 * 63! =
65*64 / 2 =
2,080 handshakes

Source:
http://www.1728.org/combinat.htm




7 0
3 years ago
A school principal wants to find out if his school needs more bike racks. a survey is taken of 30 students who ride their bikes
Sergio039 [100]
Hello there.

Question: <span>A school principal wants to find out if his school needs more bike racks. a survey is taken of 30 students who ride their bikes to school. why might the sample be biased?

Answer: It might be biased as the survey was only taken of students who ride their bikes to school. It is most likely that they would agree to it. To make it fair they survey should have been taken of a variety of different students.

Hope This Helps You!
Good Luck Studying ^-^</span>
7 0
2 years ago
A cylindrical flower vase has a height of 8 inches and a radius of 2 inches what is the volume of the vase?
natta225 [31]

Answer:

1008.48 in ^2

Step-by-step explanation:

<u>Give</u><u>n</u>

  • Its a cylindrical vase .
  • Radius = 2 inches
  • height = 8 inches .

<u>F</u><u>o</u><u>r</u><u>m</u><u>u</u><u>l</u><u>a</u>

\bold { \purple {volume = \pi \:  {r}^{2}h \:  }}

<u>Lets assume pi to be 3.14</u>

v = 3.14 \times  {2}^{2}  \times 8 \\  \\  \\ v = 3.14 \times 4  \times 8  \\ \\ \\  v = 3.14 \times 32 \\ \\  \\  v = 1008.48 {in}^{2}

6 0
3 years ago
You have 666 reindeer, Prancer, Rudy, Balthazar, Quentin, Jebediah, and Lancer, and you want to have 333 fly your sleigh. You al
Irina-Kira [14]

Answer:

4 or 3 i think

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • If g(x)=5x-3 and h(x) = x find (goh) (4)
    13·1 answer
  • If x + 10 = 70, what is x?
    10·2 answers
  • 15. A mosquito flaps its wings 800 vibrations per second. What is the frequency of the buzz?
    15·1 answer
  • A certain city divides naturally into ten district neighborhoods. How might a real estate appraiser select a sample of single-fa
    8·1 answer
  • Car X travels 144 miles in 3 hours.
    5·1 answer
  • Can someone please help me with this?!
    14·1 answer
  • Guys Plz help me Answer This!!!!
    12·1 answer
  • Can you help me with these too?<br> its for a geometry final practice<br> plisss
    14·2 answers
  • Pls I don’t know what to do
    12·2 answers
  • Solve A = 1/2bh, for b
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!