1. EASY

What is the area of the right-angle triangle shown?

 
2. EASY

What is the area of the shown triangle?

 
3. EASY

What is the area of a triangle with base 31 and height 42?

 
4. EASY

What is the area of a triangle with a base length of 5 and height of 14?

  1. 43
  2. 62
  3. 70 square units
  4. 32
  5. 70
 
5. MEDIUM

Which triangle is larger?
Triangle 1: Base = 30cm, Height = 50cm
Triangle 2: Base = 50cm, Height = 30cm

  1. Triangle 1
  2. Triangle 2
  3. They are the same
  4. Unable to determine
  5. None of the above
 
6. MEDIUM

A triangle has base length 8 and height 8. Perplexed Pat claims that the triangle has area 64 centimeters squared. What mistake has Perplexed Pat made?

  1. Pat dd not multiply by two
  2. Pat did not divide by two
  3. Pat did not correctly multiply 8 times 8
  4. Pat looked at the height of the triangle wrong
  5. Pat did not make a mistake. His answer is correct.
 
7. MEDIUM

An equilateral triangle has side lengths of 7. If its height is 6.06, which of the following is closest to its area?

  1. 20
  2. 21
  3. 21.21
  4. 21.22
  5. 23
 
8. MEDIUM

The following triangle is isoceles. What is its area?

  • 21 centimeters squared
  • 42 centimeters squared
  • 15 centimeters squared
  • 30 centimeters squared
  • It cannot be determined from the information given.
  •  
    9. HARD

    Sona collects 3 sticks of lengths 5cm, 12cm, and 13cm. The triangle that she makes contains a right angle. What is the area of this triangle?

    1. \(30cm^2\)
    2. \(50cm^2\)
    3. \(70cm^2\)
    4. \(55cm^2\)
    5. \(60cm^2\)
     
    10. HARD

    The following triangle is equilateral. Which of the following is closest to its area?

  • 187 cm squared
  • 186 cm squared
  • 188 cm squared
  • 190 cm squared
  • 185 cm squared
  •  
    11. HARD

    The following triangle is isoceles. Which of the following is closest to its area?

  • 24 centimeters squared
  • 36 centimeters squared
  • 20 centimeters squared
  • 27 centimeters squared
  • 54 centimeters squared
  •  
    12. HARD

    You have an isoceles triangle with side lengths 5, 5 and 6. If the three heights of the triangle are 4, 4.8, and 4.8, what is the area of the triangle?