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
tresset_1 [31]
3 years ago
8

The perimeter of equilateral triangle is 180cm find area​

Social Studies
1 answer:
alekssr [168]3 years ago
6 0

Answer:

a = b = c

p = 3a

3a = 180

a = 60 cm

s=p/2 = 180/2 = 90

\sqrt{s (s - a)(s - b)(s - c)}

A^2 = 90(90- 60) (90 -60)(90-60)

A^2= 90 x 30 x 30 x 30

A = 30 radical 3 cm^2

You might be interested in
Describe the significance of Bush v.
fredd [130]

Answer

gfgvqwg

Explanation:

5 0
3 years ago
Which statement best describes on-the-job training?
marusya05 [52]
<h3>Answer:</h3><h3>A. An employer typically pays for it in order to educate an employee.</h3><h3>Explanation:</h3><h3>On the job training is like being scheduled for a shift and learning how to do said job during the shift as you go. Hope this helps!</h3>
6 0
2 years ago
Time, expertise, and resources are all obstacles that __________. Group of answer choices diminish skepticism increase reliance
soldi70 [24.7K]

Answer:

increase reliance on authorities

Explanation:

The term authority is considered as the "legitimate power" that an individual or group of individuals consists and practice over the other individuals. It is usually being made formal by a specific way of an executive and a judicial branch of government.

However, any general population doesn't possess the resources, expertise, or time often in order to evaluate or appraise claims by oneself.

6 0
3 years ago
Based on your understanding of the idea of internal coherence, which of the following statements appropriately describe the inte
skelet666 [1.2K]

Answer:

A. Internal coherence demonstrates how the parts of a hypothesis are coherent, or rationally connected.

B. Internal coherence is important because if a theory has internal inconsistencies, then its assumptions cannot all be correct.

C. Internal coherence demonstrates the rational relationship between parts of a hypothesis.

Explanation:

Internal coherence may be defined as a ability of the educators in the school or in a system to connect the resources and align them to carry  an improvement strategy and also engaging them in collective learning. It also helps to use the learning to provide the students with a richer educational opportunities.

Internal Coherence is the extent to which a component ideas of any hypothesis are rationally connected.

3 0
4 years ago
Which of the following mountain ranges stretches from Alabama Northeast Canada
aksik [14]

Answer:

Appalachian mountain range

Explanation:

7 0
4 years ago
Other questions:
  • Why don't dogs usually develop sore throats, or lose their voices, after barking for a long time?
    5·2 answers
  • What actions by france led to an undeclared war with the united states ?
    14·1 answer
  • You believe the best decision is one which can be easily changed meaning
    7·1 answer
  • What is the purpose of the declaration of independence?
    12·2 answers
  • What other 19th Century Reform movement received support from black abolitionists?
    6·2 answers
  • The following powers are all granted to both state and federal government except which one?
    10·2 answers
  • American ideology focuses on the importance of marriage and family values and assumes that the family is at the center of almost
    7·2 answers
  • To foster communication between citizens and government, Texas passed a law that requires school districts, municipalities, and
    6·1 answer
  • Farming organizations found that while they could work together on community issues it was difficult to stand together on ____ i
    5·2 answers
  • Why are cause and efect graphic organizers useful?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!