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Which is the definition of an exterior angle of a triangle?
an angle that forms a linear pair with one of the interior angles of the triangle.
What does sin x mean?
It means the ratio of the opposite angle to the hypotenuse of a triangle for angle "x". This is for a right triangle.
What is theta of a triangle?
When placed next to any angle on a triangle, the theta symbol (θ) represents that missing angle.
A traingle with a 90 degree angle is?
right angle triangle
How do you label sides of a right angle triangle?
A right angle triangle has an hypotenuse which is its longest side, an adjacent side and an opposite side.
How do the properties of an isosceles triangle an equilateral triangle and a right triangle how you find the measure of unknown angles?
It works out as: 180 minus the 2 known angles = unknown angle
Could 3 5 and 7 represent the length of the sides of a right triangle?
no it cannot represent as in angle triangle rule it doesnt prove that term
Which set of numbers represent the sides of a right angle triangle?
They are Pythagorean triples
What two geometric principles permit you to find an unknown angle or an unknown side in a right triangle?
Trigonometry and Pythagoras' theorem
How do you find the missing angle of a triangle if you are given two of the angles?
180 minus two known angles = unknown angle
What does a slope of a tangent represent?
All this represents is the angle of a triangle, which is calculated using trigonometry. The slope is given in degrees of an angle.
Do the lengths 7 10 12 make a right angle?
No, they do not represent a right triangle.
What does alpha mean in math?
Normally, alpha is used to represent an angle. Just like "x" is used to represent an unknown number or angle, alpha, theta, beta are used to represent unkown angles.
What is theta?
It is a greek letter which is used to mark an unknown angle in a triangle when you are going to use trigonometry to work it out, eg. sin(theta)=length of opposite side/ length of hypoteneuse
A triangle has one angle of 80 degrees and another of 60 degrees how many degrees must there be in third angle?
The internal angles of a triangle add up to 180 degrees. 80 + 60 = 140 140 + x = 180 (x= the unknown angle) x = 180-140 x = 40 The unknown angle is 40 degrees
What does a theta mean in math?
Theta is most often used to represent unknown angles, especially in the study of trigonometry. Theta represents an angle in degrees, but not in radians. --------------------------------------- Theta (θ) is a Greek letter, typically denoting an unknown angle. Depending on the context of the problem, it could be in degrees or radians.
What type of triangle has an angle that measures 120 degrees and an angle that measures thirty degrees?
An isosceles triangle, because the angles of a triangle add up to 180 and you already know that one angle measures 120 degrees, the other is 30, and so the unknown angle must also be 30 degrees. Since two of the angles are the same, two of the sides are going to be the same, making it an isosceles triangle.
