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A 30-60-90 triangle is a triangle whose angles of 30º, 60º, and 90º. The lengths of the sides of a 30-60-90 triangle are always in a fixed ratio. Suppose the short leg, opposite the 30º angle, has length x. Then the hypotenuse has length 2x, and the long leg, opposite the 60º degree angle, has length (sqrt 3)x. The sides of every 30-60-90 triangle will have this 1 : 2 : sqrt(3) ratio. (sqrt (3) means the square root of 3)
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What are the differences of isosceles right triangles and 30-60-90 right triangles?
isosceles are 45-45-90
How do you solve the HCF of 60 and 90?
It is 30 because it's the highest common factor of 60 and 90
If you split a rectangle into 2 triangles what type of triangle do you get?
A 30-60-90 right triangle
What triangles are classified by their angles?
Acute triangles have all of their angles less than 90 degrees. Right triangles have one of their angles equal to 90 degrees. Obtuse triangles have one of their angles greater than 90 degrees. Also, the 45-45-90 triangle and 30-60-90 triangle are useful when trying to get exact answers in trigonometry.
What kind of triangle has one 30 degree angle and one 60 degree angle?
A right triangle because all triangles equal 180 degrees. 180-60=120 120-30=90
