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What is a acute angle - HP 12c Calculator

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An acute angle is an angle measuring less than 90 degrees.

Posted on May 10, 2014


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Related Questions:

1 Answer

What is an acute triangle

One in which all angles are less than 90 geg

Mar 02, 2015 | Computers & Internet

1 Answer

What is the least number of acute angles that a triangle can have?

2 is the least number.
Triangle has 3 angles, so if only 1 is acute and 2 obtuse, then the sum of the two obtuse angles would be > 180 degrees, which can't be correct. Hence you can have max 1 obtuse angle only with 2 acute, or all 3 acute.

Feb 04, 2015 | Computers & Internet

1 Answer

How many type of triangle

Three if you classify by sides: equilateral, isosceles, and scalene. Five if you classify by angles: right, oblique, acute, obtuse, and degenerate.

See this for more details.

Mar 06, 2013 | Video Game Consoles & Games

2 Answers

How can you classify a triangle according to it angle? is there a formula for it

Well, there is classification by sides, equilateral with 3 equal sides, Isosceles with two equal sides, and scalene with no equal sides, but you talk about angles, but I wanted to point out equilaterals have 3 equal angles, isoceles have 2 equal angles and scalene have no equal angles.
So, now we talk about angles: a Right trianlge has one angle that is 90 degrees, an Obtuse triangle has one angle greater than 90 degrees, and an Acute has no angles over 90 degrees.
Thus, it is possible to have a (scalene or isoceles) AND (acute, obtuse, or right) triangle, but never an equilateral AND (obtuse or right). The angles can't be equal and 90+ degrees if all three must equal 180 degrees.

Oct 06, 2012 | Mathsoft StudyWorks! Middle School Deluxe...

1 Answer

How do i inverse 2 values to find angle using tan

I am not quite sure what you mean to do.
Are you trying to evaluate an acute angle in a right triangle by taking the arc tangent of the ratio of the two legs?

If that is what you want, then let a and b the length of the two sides and a/b the ratio of the length of the sides.

Calculate the ratio and take the arc tangent of the result.

angle = [SHIFT] [TAN] ( a [/] b [)] [=].
The complementary of the angle is [SHIFT][TAN] ( b [/] a [)] [=]

Keep in mind that the angle you will get will be expressed in the angle unit your calculator is configured for.

Sep 26, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

Where is the 2nd F key, to find the size of θ (to the nearest degree) where θ is acute. example question: sin θ = 0·259

The key is called SHIFT on Casio calculators. To get the arcsine of an angle you press [SHIFT][SIN], then enter the angle measure in the appropriate unit (degree in your case) and press ENTER. Your result should be 15.01073397 or 15, to nearest degree.

Sep 05, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

(5x-15)+(3x+5)=180 angle a = (5x-15) degrees (obtuse) angle b = (3x+5) degrees (acute) both angles are supplementary to each other equaling 180 solving for x

Solve for x
5x+3x+(-15) + 5 becomes 8x-10=180
move 10 from left to right and you get8x190
8x = 190
x = 23.75
so the first angle is (5*23.75)-15 = 103.75
and the second angle is (3*23.75) +5 = 76.25

check by adding 76.25+103.75 = 180

Make sense? I love math, let me know it you need more help

Mar 06, 2010 | SuperTutor Homeworkhelp.Com Super Tutor...

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On starting compaq6515b the screen looks blank

Does the laptop appear to bootup and the hard disk LED light is flashing, but you get a blank screen?
If you look at the screen at an acute angle do you see a dim image?

Jun 27, 2009 | Compaq Computers & Internet

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