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? 436270 square units3270

 5 MEDIUM Which triangle is larger? Triangle 1: Base = 30cm, Height = 50cm Triangle 2: Base = 50cm, Height = 30cm Triangle 1Triangle 2They are the sameUnable to determineNone 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? Pat dd not multiply by twoPat did not divide by twoPat did not correctly multiply 8 times 8Pat looked at the height of the triangle wrongPat 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? 202121.2121.2223

 8 MEDIUM The following triangle is isoceles. What is its area? 21 centimeters squared42 centimeters squared15 centimeters squared30 centimeters squaredIt 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? $$30cm^2$$$$50cm^2$$$$70cm^2$$$$55cm^2$$$$60cm^2$$

 10 HARD The following triangle is equilateral. Which of the following is closest to its area? 187 cm squared186 cm squared188 cm squared190 cm squared185 cm squared

 11 HARD The following triangle is isoceles. Which of the following is closest to its area? 24 centimeters squared36 centimeters squared20 centimeters squared27 centimeters squared54 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?