객관식
Given a right triangle with one leg measuring units and the hypotenuse measuring units, which of the following is the length of the unknown side rounded to the nearest whole number?
111
views
2. Trigonometric Functions on Right Triangles
Solving Right Triangles
Multiple Choice
If a right triangle has one angle measuring , what is the measure of the other non-right angle?
A
B
C
D
검증된 단계별 안내1
Recall that the sum of the interior angles in any triangle is always \(180^\circ\).
In a right triangle, one angle is always \(90^\circ\) by definition.
Given one of the other angles is \(30^\circ\), set up the equation for the sum of angles: \(90^\circ + 30^\circ + \text{other angle} = 180^\circ\).
Solve for the other angle by subtracting the sum of the known angles from \(180^\circ\): \(\text{other angle} = 180^\circ - 90^\circ - 30^\circ\).
Calculate the value of the other angle to find its measure.
Related Videos
Related Practice
