A 30-60-90 triangle is a special type of right triangle that has a 30-degree angle and a 60-degree angle in addition to the right angle. This triangle has the angles labeled as shown in the diagram.

Then, using the bottom point on the vertical line, draw a horizontal line at a 30-degree angle to establish either the width or the depth of the image.

Learn how to draw triangles with the given angle measures, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

An airplane, flying at a constant speed of 360 mi/hr and climbing at a 30 degree angle, passes over a point P on the ground at an altitude of 21,120 ft. Find the rate (in miles per hour) at …

Knowing that the ball has an initial velocity v_ {0} at an angle of 30^ {\circ} with the horizontal, determine the value of v_ {0} when d is equal to (a) 9 in., (b) 17 in. Two seconds after being …

One of the acute angles in a right triangle is 30 degrees and the hypotenuse is 15 cm. Find the exact length of the leg of this right triangle which is adjacent to this 30-degree angle.

Learn how to draw a negative angle in standard position given an angle in degrees, and see examples that walk through sample problems step-by-step for you to improve your math …

Determine the properties, rules, and formulas of 30-60-90 triangles. Learn how to solve this type of triangle by watching our engaging 6-minute video lesson.

An airplane, flying at a constant speed of 360 mi/hr and climbing at a 30 degree angle, passes over a point P on the ground at an altitude of 21,120 ft. Find the rate (in miles per hour) at …

Negative angle identities can be used in trigonometry to show the relationship between trigonometric functions of negative angles. Look into trigonometric identities, negative angle …