Angle side angle proof-Geometry Help-MooMooMath

How to use angle side angle "ASA" in order to prove two triangles are congruent.


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How to set up trig ratios-Geometry Help-MooMooMath

How to set up trig ratios with a right triangle.
The video demonstrates how to set up a trig function in order to find missing length and angles of a right triangle.
Follow these steps to set up trig functions properly.
The first step is to find the reference angle.
Next, label the opposite,adjacent,hypotenuse sides of the right triangle.
Finally, decide which trig function to use and then set it up.
The trig functions used in this video are:
Sine=Opposite over hypotenuse
Cosine=Adjacent over hypotenuse
Tangent= Opposite over adjacent

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Adding, Subtracting :Functions

How to add and subtract functions.

0:06 Introduction to adding and subtracting functions
0:03 Problem 1,add g(x) +j(x)
1:21 Solution to problem 1 (Adding functions)
1:36 Problem 2 Subtract functions j(x) -g(x)
3:07 Solution to problem 2

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Finding radius circle from arc length-Geometry Help-MooMooMath

Finding the radius of a circle from arc length.


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Simplifying Complex Fractions-Keep, Change, Flip

How to simplify complex fractions
Complex fractions have a fraction on top of a fraction
Video Guide
0:46 Simplify 5+7/11 / 5/12
0:51 Simplify the numerator of the complex fraction =12/11
0:58 Don't simplify the denominator but move the fraction over so the complex fraction becomes 12/11 divided by 5/12
1:35 Change the problem from division to multiplication by Keeping the first fraction the same, changing the sign,flipping the last fraction
2:22 Answer to first simplifying complex fractions problem
2:39 Problem 2 Simplify the complex fraction 3/4 + 2/3 /1/2
2:54 Simplify the numerator of the complex fraction by finding a common denominator
3:51 After simplifying the numerator you get 17/12 divided by1/2
4:06 Apply Keep in Change it Flip it
4:42 Answer to problem 2
5:05 Simplify the complex fraction that contains variables
1/2 + 1/x /x^2 + 2x
5:12 Simplify the numerator by finding a common denominator
6:23 Use the keep it Change it Flip it rules to turn the problem from division to multiplication
7:30 Final answer "Simplify a complex fraction with variables"

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Convex and Concave Quadrilateral-Geometry Help-MooMooMath

Concave and convex quadrilaterals-- Geometry Help-MooMooMath

Most quadrilaterals are convex quadrilaterals because each interior angle is 180 degrees or less. Common examples are kites,squares,and rectangles.

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Shortcuts for finding the leg lengths of a 30-60-90 triangle-Geometry Help

Use these shortcuts to help find leg lengths and the hypotenuse of a 30-60-90 triangle.
For example,if you are given the leg length how can you quickly find the hypotenuse?
If you are given the hypotenuse of a 30 60 90 triangle,how do you find the leg length?

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