Triangles
Hanka cut the 20 cm long straws into three pieces. Each piece had a length in cm. Then, with these three pieces, she tried to make a triangle.
a) What circuit has each of the triangles?
b) How long can the longest side measure?
c) How many different triangles could be made?
a) What circuit has each of the triangles?
b) How long can the longest side measure?
c) How many different triangles could be made?
Correct answer:
Tips for related online calculators
You need to know the following knowledge to solve this word math problem:
Units of physical quantities:
Grade of the word problem:
We encourage you to watch this tutorial video on this math problem: video1
Related math problems and questions:
- Each with each
Five pupils from 3A class played table tennis. How many matches did they play with each other? - A student 7
A student was asked to multiply 43.407 by 100. However, he multiplied the decimal fraction by 1000. What is the difference between both the products? - Slow traveler
A little mouse travels 3.6 km in 1 hour. What is its speed in m/s? - Determine 216
Determine the quotient; (-20) divided by ( -4) =? A) +6 B) - 6 C) +5 D) -5 - Trim the bushes
Mason is always helping him to trim the bushes. The area A had a length of 14 m and a breadth of 7 m, and if we are going to combine A and B, the equal is 215 m². The question is: what is the area of B? - A surveyor
A surveyor estimated the distance across a river to be 300 m. The actual distance across the river was 286.4 m. Find the absolute error and the percent error of the surveyor's estimate. If necessary, round to the nearest tenth. - Gallons of gas
Sara drives 171 miles on 7.6 gallons of gas. She uses this information to calculate how many miles per gallon she can drive. Using this result, how many miles can Sara drive on 12.5 gallons of gas? - Martha 5
Martha wants to buy a notebook for 18.75 and a ballpen for 28.75. She had only 19.85. How much more does she need? - A fence
A fence is to be put around a paddy field. The four sides of the field are 135.37 meters,96.5 meters, 137.46 meters, and 148 meters. Find the total length of fencing. - No problem
No problem; here are five decimal addition problems for you to practice: 1. What is the result of 3.5 + 2.1? 2. What is the result of 0.8 + 0.3? 3. What is the result of 5.2 + 1.7? 4. What is the result of 2.5 + 0.9? 5. What is the result of 1.4 + 0.6? I - Maria 6
Maria drank 3 liters of water last week. Her friend drank twice as much water as Maria. How many milliliters of water did they both drink? - Ross is
Ross is using his understanding of place value to divide the decimal 72.56 by the decimal 0.2 Which of the division problems shown could he solve to give him the same answer? A. 7,256 divided by 0.2. B. 725.6 divided by 2. C. 72.56 divided by 2. D. 7,256 - Martha 4
Martha is making cookies for a birthday party. Her cookie recipe calls for 1/2 cup of sugar for one batch of cookies. If Martha wants to triple her recipe, how much sugar will she need? - Chicken meat
1 kg of chicken is worth php185. If Paul wants to buy 3.16 kg, how much is he going to pay? - Unit price 3
A grocery store sells a bag of 6 oranges for $5.64. How much would it cost for 8 oranges? - Reach money
If Sandy has $37.54, John has $14.40, and Sarah has $32.87. How much money do John and Sarah have to have to reach Sandy's money? - Veronica
Veronica walks dogs in her neighborhood for extra money during the summer. For each dog walk, she earns $5.25. On Monday, she completed 3 walks, and on Tuesday, she completed 2 walks. She estimates that to save up for a new purse that costs $86, she must