1. 
Which of the following is guaranteed to give us a 454590 triangle?Drawing the diagonal of a rectangle

2. 
Which of the following is guaranteed to give us a 306090 triangle?Drawing the altitude of an equilateral triangle

3. 
A 454590 triangle has a leg with length 10. What is the exact length of the hypotenuse?

4. 
A 306090 triangle has a hypotenuse of length 10. What is the length of its shortest leg?8

5. 
A 306090 triangle has a hypotenuse of length 24. What are the lengths of the two legs?10 and 12

6. 
What is the value of sin A × cos B?

7. 
In the equation cos^{1} x = y, the variable y most likely represents which of the following?An angle measurement

8. 
In a right triangle, the sine of one of the angles has a value of
. What is the angle's measurement in degrees?60°

9. 
The tangent of an angle in a triangle is 1. If one of the legs has a length of x, what is the length of the hypotenuse?

10. 
If A and B are the two acute angles in a right triangle, which of the following is true?sin A = cos B
