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What is 30-60-90 right triangle?
A 30-60-90 right triangle is one in which the three angles of the triangle 30, 60 and 90 degrees. The length of the sides of such a triangle have the ratio 1:2:square root of 3. The 1 is opposite the 30 degree angle, the 2 is opposite the 60 degree angle and the square root of 3 is opposite the 90 degree angle.
If any two sides and any angle are congruent in two triangles then the triangles must be congruent.?
No. The angles must be an included angle, between the sides to guarantee congruence. For an example. imagine a triangle with two equal sides and a 60 degree angle between them and another triangle with the same two equal sides and a 120 degree angle between them.
How do you construct 22.5 degree with compass?
asuming you know how to construct a 60 degree angle, you would start by drawling a basic construction line an then make your angle bisecter with breaks the angle into 30 degree angles. then create another angle bisector for 30 degrees breaking it into 15 degree angles. then do the same with the 15 degree angle. your drawling sould have three angle bisectors for each angle. to get your answer of 22.5 degress angle, simply add the 15 degree angle you drew with the 7.5 angle you got from spliting the 15 degree angle in half its hard to explain without drawing it out..... hope this helps
An equiangular triangle has three congruent angles What is the measure of each angle of an equiangular triangle?
Each angle is 60 degrees
If the clock said 2 o'clock what angle would it be?
60 degree angle
Is 60 degree angle and 60 degree angle congruent?
yes
Is 60 and 60 angle congruent?
Both 60 degree angles are congruent
How is a 30 degree angle related to a 60 degree anlge?
a 60 degree angle is twice the size of a 30 degree angle.
What is the complement of an angle with a measure of 30 degree?
a 60-degree angle
What is the measure of the angle that complements with a 30 angle?
A 60 degree angle
What is the measure of the angle that complements 30 degree angle?
It is 60 degrees
How do you find a 30 degree angle without a protractor?
It is easy to draw an equilateral triangle without a protractor. That gives a 60 degree angle. It is then simply a matter of bisecting the 60 degree angle, using an unmarked rule and compass, to get a 30 degree angle.
If a 60-degree angle is bisected and then each new angle is bisected what is the measure of the smallest angle formed?
15 degrees. A bisected 60 degree angle makes 2 30 degree angles by definition of an angle bisector, then a 30 degree angle makes 2 15 degree angles by definition of an angle bisector.
What will the angle of reflection when the angle between the incident ray and the reflecting surface of the mirror is 30 degree?
You have given the glancing angle as 30 degree. So the angle of incidence = 90-30 = 60 deg As i = r by the law of reflection the angle of reflection = 60 deg
What complementary angle to a 30 degree angle has a measurement of?
Two complementary angles add up to 90 degrees.If one is 30 degrees, the other has to be a 60 degree angle
What is the ratio of a 60 deg angle to its compliment?
The complement to a 60 degree angle would be 30. The ratio then would be 2.
What type of triangle would measure 90 degree 30 degree and 60 degree?
A right angle
