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
Nastasia [14]
3 years ago
5

Two similar triangles have a scale factor of 2 : 3. For numbers 7a – 7d, determine whether each statement about the triangles is

true or false.
7a. The ratio of their perimeters is 2 : 3. True or False
7b. The ratio of their areas is 4 : 6. True or False
7c. Their perimeters could be 14 cm and 21 cm. True or False
7d. Two corresponding sides could be 6 in and 7 in. True or False
Mathematics
2 answers:
grigory [225]3 years ago
7 0

Answer:

Step-by-step explanation:

7a. perimeter=3 sides added so the ratio is the same

The ratio of their perimeters is 2 : 3.

True

7b. area= sidexside so the ratio is 2x2:3x3 = 4:9

The ratio of their areas is 4 : 6.

False

7c. 14:21 =2:3

Their perimeters could be 14 cm and 21 cm.

True

7d. 6:7 <> 2:3

Two corresponding sides could be 6 in and 7 in.

False

postnew [5]3 years ago
6 0

Answer:

Step-by-step explanation:

Two similar triangles have a scale factor of 2 : 3.

7a. The ratio of their perimeters is 2 : 3.

As the sides are 2 : 3, the perimeters which are sums of all sides will also be 2 : 3

True

7b. The ratio of their areas is 4 : 6. True or False

As the sides are 2 : 3, the areas which are the products of two sides will be in the ratio of 2*2 : 3*3 = 4 : 9

False

7c. Their perimeters could be 14 cm and 21 cm. True or False

As the perimeter ratio for 14cm and 21 cm is 14 : 21 = 2 : 3 which complies with 7a. So they could be the perimeters.

True

7d. Two corresponding sides could be 6 in and 7 in. True or False

As the corresponding sides of 6in and 7in, the ratio is 6 : 7 and is different from 2 : 3.  So they cannot be corresponding sides.

False

You might be interested in
Check the photo and please don’t take long I need it asap
wel
There you go. I’m pretty sure this is right.

3 0
1 year ago
If i had 475 connolies and got left with 24 and i sold them for 2.50 how much money did i make.​
Sidana [21]
1127.50 money

475-24=451
451 times 2.5
5 0
2 years ago
4 4/10 divided by 4 2/3
leonid [27]

Answer: Responding for points

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the angle formed by the minute and hour hands of a clock when it is 6:00
nlexa [21]

the angle would be 180

7 0
3 years ago
A log raft is moving downstream at a speed of 3 km/h. To insure that there are no river jams a supervisor travels along the raft
skad [1K]

Answer:

2000 meters

Step-by-step explanation:

When the motorboat is moving downstream, its speed relative to the ground is 18 km/h, so its speed relative to the raft is 15 km/h.

When the motorboat is moving upstream, its speed relative to the ground is 12 km/h, so its speed relative to the raft is again 15 km/h.

Converted to m/min, the relative speed is:

15 km/h × (1000 m/km) × (1 h / 60 min) = 250 m/min

It takes the motorboat 16 minutes to travel to the front of the raft and back.  Since the speed is the same in both directions, the motorboat takes 8 minutes to travel the length of the raft.

So the length of the raft is 250×8 = 2000 meters.

8 0
3 years ago
Other questions:
  • Help plz...........!
    7·1 answer
  • What are the quotient and remainder of (5x^4-3x^2-4x+6) / (x-7)?
    15·1 answer
  • Between which two whole numbers does square root of 150 lie
    7·1 answer
  • If f(x) =x^2 -2 and g(x) = 4f(x)-1 then what is the value of g(-3)?
    15·2 answers
  • What is 0.48 times 0.4
    12·1 answer
  • Write an inequality for the statement. The sum of a number and nine is less than thirty.
    9·1 answer
  • ``````````````````````FREEEE POINTS &lt;33 for jp
    15·2 answers
  • There is 1/4 of a birthday cake left over. If 4 friends share it equally, what fraction of the entire cake will each friend rece
    10·2 answers
  • PLEASE HELP I WILL GIVE BRAINLIEST How many students are represented in this histogram?
    8·2 answers
  • A bike cost 129.90 what is your total with a tax of 5%
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!