Finding Angles
Finding side lengths
Labeling triangles
Special triangles
100
What equation can be used to find the measure of angle LJK?
cos(x) = 
100
What equation can be used to find the length of 
?
(10)sin(40) = AC
100
Which statements are true about triangle QRS? Select three options.
The side opposite ∠Q is RS.
The side opposite ∠R is RQ.
The hypotenuse is QR.
The side adjacent to ∠R is SQ.
The side adjacent to ∠Q is QS.
The side opposite ∠Q is RS.
The hypotenuse is QR.
The side adjacent to ∠Q is QS.
100
The hypotenuse of a 45°-45°-90° triangle measures 
units. What is the length of one leg of the triangle?
22 units
200
In which triangle is the value of x equal to tan−1
?
200
Triangle ABC is a right triangle and cos(22.6)=
. Solve for b and round to the nearest whole number. What equation correctly uses the value of b to solve for a?
tan(22.6) = 
200
Given right triangle ABC, what is the value of tan(A)?
200
The hypotenuse of a 45°-45°-90° triangle measures 4 cm. What is the length of one leg of the triangle?
cm
300
What is the measure of angle LKJ? Round to the nearest whole degree.
49°
300
The equation 
can be used to find the length of 
. What is the length of ? Round to the nearest tenth.
21.3 in.
300
What is the value of x?
12 units
300
What are the angle measures of triangle VUW?
m∠V = 60°, m∠U = 90°, m∠W = 30°
400
In right triangle XYZ, the right angle is located at vertex Y. The length of line segment XY is 12.4 cm. The length of line segment YZ is 15.1 cm. Which is the approximate measure of angle YZX?
39.4°
400
The lengths of two sides of a right triangle are 5 inches and 8 inches. What is the difference between the two possible lengths of the third side of the triangle? Round your answer to the nearest tenth.
3.2 inches
400
What is the value of y?
units
400
The diagonal of rectangle ABCD measures 2 inches in length. What is the length of line segment AB?
inches