Table of Contents
- 1 How do you find the angle of a right triangle with opposite and adjacent?
- 2 How do you find the adjacent length of a right angled triangle?
- 3 How do you find the opposite side of a right triangle?
- 4 What is the smallest Pythagorean triple?
- 5 What is the relationship between the three sides of a triangle?
How do you find the angle of a right triangle with opposite and adjacent?
Examples
- Step 1 The two sides we know are Opposite (300) and Adjacent (400).
- Step 2 SOHCAHTOA tells us we must use Tangent.
- Step 3 Calculate Opposite/Adjacent = 300/400 = 0.75.
- Step 4 Find the angle from your calculator using tan-1
How do you find the adjacent length of a right angled triangle?
The Pythagorean Theorem, a2+b2=c2, a 2 + b 2 = c 2 , can be used to find the length of any side of a right triangle.
How do you find the opposite side of a right triangle?
If you know the hypotenuse, h, and the adjacent side x, then the opposite side y = √(h2-x2). If you know the angle, θ, and the hypotenuse, then y = h sin(θ). If you are given the tan(θ) and the adjacent side, x, then y = x tan(θ).
Do all Pythagorean triples have a right angle?
When a triangle’s sides are a Pythagorean Triple it is a right angled triangle. See Pythagoras’ Theorem for more details. And each triangle has a right angle! Here is a list of the first few Pythagorean Triples ( not including “scaled up” versions mentioned below):
What is the longest side of a right angle triangle called?
The longest side in a right-angled triangle is called the hypotenuse. The word is connected with a Greek word meaning to stretch because the ancient Egyptians discovered that if you take a piece of rope, mark off 3 units, then 4 units and then 5 units, this can be stretched to form a triangle that contains a right angle.
What is the smallest Pythagorean triple?
A “Pythagorean Triple” is a set of positive integers, a, b and c that fits the rule: Example: The smallest Pythagorean Triple is 3, 4 and 5. Yes, it is a Pythagorean Triple! When a triangle’s sides are a Pythagorean Triple it is a right angled triangle. See Pythagoras’ Theorem for more details.
What is the relationship between the three sides of a triangle?
Apart from the fact that the sum of any two sides is greater than the third, there is, in general, no simple relationship between the three sides of a triangle. Among the set of all triangles, there is a special class, known as right-angled triangles or right triangles that contain a right angle.