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If the given numbers represent degrees then it is a right angle triangle whos 3 angles add up to 180 degrees.

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It has angles in the ratio 1:2:3.

Q: What statements are true about a 30 60 90 triangle?

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That will depend upon the statements of which none have been given about a right angle triangle.

90

A "30 60 90 triangle" has that weird name because those numbers are its three angles. It can't have any angle of "4". If a triangle has an angle of '4', then it's not a '30 60 90 triangle'.

The hypotenuse of a 30-60 right triangle if the short leg is 2992 is: 5984

A right triangle. All the angles of a triangle add up to 180. 30+60+x=180. subtract 30 from both sides, then 60 from both sides and x=90

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That will depend upon the statements of which none have been given about a right angle triangle.

the longer leg is root 3 times as long as the shorter leg, and the hypotenuse is twice as long as the shorter leg.

false

90

That it must be a right angle triangle because the 3rd angle must be 90 degrees

The perimeter of a 30-60-90 triangle if the hypotenuse is 3 is: 7.098

A 30, 60, 90 triangle is a right triangle. It's one of the most common triangles to use to learn about the Pythagorean theorem.

.The hypotenuse is twice as long as the shorter leg The longer leg is twice as long as the shorter leg.

If the ratio of the three sides are 1:√(3):2, it's a 30-60-90 triangle

A "30 60 90 triangle" has that weird name because those numbers are its three angles. It can't have any angle of "4". If a triangle has an angle of '4', then it's not a '30 60 90 triangle'.

its a triangle with one corner 30 degrees, one corner 60 degrees and one corner 90 degrees.

The hypotenuse of a 30-60 right triangle if the short leg is 2992 is: 5984