
1. 
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?
 \(30cm^2\)
 \(50cm^2\)
 \(70cm^2\)
 \(55cm^2\)
 \(60cm^2\)

2. 
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

3. 
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

4. 
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?

