All Categories Alerts Wishlist Cart

The lengths of the sides of triangle ABC are 5 cm, 12 cm, and 13 cm. What is the area of the triangle? (2019)

Practice Questions

1 question
Q1
The lengths of the sides of triangle ABC are 5 cm, 12 cm, and 13 cm. What is the area of the triangle? (2019)
  1. 30 cm²
  2. 60 cm²
  3. 24 cm²
  4. 40 cm²

Questions & Step-by-step Solutions

1 item
Q
Q: The lengths of the sides of triangle ABC are 5 cm, 12 cm, and 13 cm. What is the area of the triangle? (2019)
Solution: Using Heron's formula, s = (5 + 12 + 13)/2 = 15. Area = √[s(s-a)(s-b)(s-c)] = √[15(15-5)(15-12)(15-13)] = √[15*10*3*2] = √[900] = 30 cm².
Steps: 0

Related Questions

A
A rectangle has a length of 12 cm and a width of 5 cm. What is its perimeter? (2
Question: A rectangle has a length of 12 cm and a width of 5 cm. What is its perimeter? (2021)Option..
T
The area of a triangle is 60 square units. If the base is 10 units, what is the
Question: The area of a triangle is 60 square units. If the base is 10 units, what is the height? (2..
I
If a rectangle has a length of 8 cm and a width of 5 cm, what is its perimeter?
Question: If a rectangle has a length of 8 cm and a width of 5 cm, what is its perimeter? (2022)Opti..
I
If the length of a side of a square is doubled, what happens to the area? (2023)
Question: If the length of a side of a square is doubled, what happens to the area? (2023)Options: I..
I
If the ratio of the ages of A and B is 3:4 and the sum of their ages is 28 years
Question: If the ratio of the ages of A and B is 3:4 and the sum of their ages is 28 years, what is ..
Biology (School & UG)
Biology (School & UG)
Chemistry (School & UG)
Chemistry (School & UG)
Civil Engineering
Civil Engineering
Commerce & Accountancy
Commerce & Accountancy
Computer Science & IT
Computer Science & IT
Current Affairs & GK
Current Affairs & GK
Data Structures & Algorithms
Data Structures & Algorithms
Electrical & Electronics Engineering
Electrical & Electronics Engineering
English (School)
English (School)
General Aptitude
General Aptitude
General Knowledge
General Knowledge
General Knowledge & Current Affairs
General Knowledge & Current Affairs
Languages & Literature
Languages & Literature
Law & Legal Studies
Law & Legal Studies
Major Competitive Exams
Major Competitive Exams
Mathematics (School)
Mathematics (School)
Mechanical Engineering
Mechanical Engineering
Medical Science
Medical Science
Physics (School & Undergraduate)
Physics (School & Undergraduate)
Quantitative Aptitude & Reasoning
Quantitative Aptitude & Reasoning
Social Science (School)
Social Science (School)
Technical
Technical
Verbal and Reasoning
Verbal and Reasoning
Vocational & Skill Development
Vocational & Skill Development
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely